jueves, febrero 28, 2013
MENSAJE DEL ARCANGEL MIGUEL * FEBRERO 2013
Transmitido a través de Ronna Herman - Traducción: Odilia Rivera
Queridos Maestros, en el pasado hemos explicado pero refrescaremos su memoria acerca de lo que está tomando lugar mientras atraviesan los muchos niveles y sub-niveles de consciencia. Mientras aclaran las distorsiones dentro de su campo áurico, hay también un proceso interno tomando lugar. Toda su estructura física está experimentando cambios complejos los cuales son provocados por los patrones de frecuencia superior que están integrando desde la Fuente del Creador a través de las grandes Ciudades de Luz. Su ADN, sus centros o Chakras y su Mente y Corazón Sagrados contienen su Plantilla Divina. Mientras integran más y más Partículas Adamantinas de la consciencia del Creador, todas las distorsiones e imperfecciones que han creado debido a los conceptos negativos que han aceptado como su verdad, están siendo lentamente rectificadas. Muchos de esos conceptos distorsionados están siendo filtrados en su percepción consciente para ser sanados o eliminados y entendemos que esto puede ser un proceso desconcertante e incómodo mientras profundizan más en la sabiduría del cosmos. Mientras lo hacen, es de importancia vital que mantengan un estado de conciencia consciente y paciencia. La Humanidad está emergiendo desde un estado de amnesia o lo que podría ser llamado un conocimiento limitado de Si mismo y de la intrincada inmensidad de la Creación.
Message from Archangel Michael - LM-03-2013 - Ronna Herman
Transmitted Through Ronna Herman, LM-03-2013
Beloved masters, what we term as Sacred Breath consists of the normal third- / fourth-dimensional air containing oxygen as well as Prana, which is third- / fourth-dimensional air/ether that also contains the Adamantine Particles of Creator Light. The magnitude and power of these Divine Particles increase with each higher level of consciousness you attain. The empowering Breath of Infinity opens the pathways that lead to the multidimensional levels of Creator consciousness. Your inner perspective will automatically broaden as you gradually change your way/mode of thinking and perceiving.
The Inbreath
loop of the Infinity Breath passes through the Medulla Oblongata and out
the back of the head as it sweeps upward into your Soul Star. The
Adamantine Particles of Creator Light that you have inhaled through the
back portal of your Sacred Heart are programmed to integrate a specific
number of Life-Code Seed Atoms from your OverSoul-Higher Self as the Sacred Breath passes through your Soul Star. The Outbreath or exhale passes through the Root Chakra and enters the Kundalini Seed Atom
contained therein. Monitored by your OverSoul-Higher Self, measured
portions of the Adamantine Particles stored within the Root Chakra are
added to the Sacred Breath. The Adamantine Particles of Light which are
stored in the Root Chakra are unique, for they have already been
programmed with some of your special talents, attributes and qualities
from past life experiences. The Sacred Breath then moves back up in
front of the physical vessel and automatically enters the body where
your crystalline Still Point Seed Atom is
located. This Seed Atom was designed to magnetize, integrate and hold
these higher frequency Particles of Light. It could be called a holding center,
for it is directly connected to your Sacred Heart. The Adamantine
Particles of Light are then drawn into your Sacred Heart to be activated
through your seed thoughts and intention. These programmed Adamantine
Particles are then ready to be breathed out into your Twelve Ray Creator
Wheel, as well as out into the world-at-large. A dedicated portion will
also stream into the World Pyramid and other pyramids of Light of your
choice.
The Pineal Gland could be called a Light filter
for the brain. The chakra system is designed to magnetize and filter
into the body the appropriate vibrational frequencies–RAY-diated by the
Archangels bearing the attributes, qualities and virtues of each
particular Ray. There is a complex formula composed of a broad variety
of frequency patterns that constantly penetrate the human auric field,
which are then conveyed to the glands within the physical body. Your
level of comprehension and awareness will increase with each download of
higher frequency energy.
Once you have gained access to
your Sacred Heart and have activated your Solar Power Center, the Zero
Point or the Still Point Seed Atom within your Solar Power Center begins
to store your reserve of cosmic energy. As you become a
Self-Master and a conscious cocreator, you will have access to an
infinite amount of Adamantine Particles to use in your creative
endeavors and to share with others. The SACRED WHITE COSMIC FIRE,
Adamantine Particles, that you magnetize to you as an awakened,
Self-master, must continually circulate. Only a certain amount, that
which is appropriate for each Soul to integrate at their current level
of en-Lighten-ment, can be stored within the physical vessel. The
balance must be RAY-diated out into the world-of-form. Mature
spirituality is not an unconscious experience. You must endeavor to
develop a self-sustaining divinity whereby you are constantly breathing
the rich Pranic Breath of Life / Adamantine Particles of Creator Essence. By doing so, you will begin to receive spiritual sustenance from the River of Life via the Eighth Chakra, your Soul Star, and through the back portal of your Sacred Heart.
Each Self-aware person functions as a living star
capable of receiving and conveying harmonic frequency vibrations
according to his/her level of consciousness. As you are now aware,
these frequencies are called your Soul Song. You are a point of light, a vibrant Spark of the Divine. This Sub-universe is composed of one gigantic Celestial Soul Song.
As you develop the ability to breathe in
the Sacred Breath deeply and effortlessly, your awareness will
gradually descend into your Sacred Heart Center, and then even deeper
into the Vesica Piscis Mandala which contains the White Fire, Sacred
Seed Atom–your own personal Divine Facet of our Father/Mother God. This
is when you may draw forth all the Sacred Love you can contain. This is
where you realize that you are the dreamer as well as the dream. It is
in this Sacred Space that you will begin your journey back into the
wholeness (holiness) as you strive to recreate yourself into a SUN CHILD of our Father/Mother God. This has been preordained; it is your Divine Heritage.
Please remember that only a minuscule
Facet of your complete “Being” is incarnated in the density of the
third/fourth dimensions. The fourth dimension is the astral plane, a
bridge to the fifth dimension. The three lower sub-levels are filled
with a great array of emotional-energy debris and a broad spectrum of
discordant frequency, mental thought forms. The fourth dimension is the
storehouse for the mass consciousness beliefs of humanity from all past
ages on Earth. The fourth dimension also contains the mental body auric field of the Earth.
You are called Star Seed for a reason,
for as you return to Self-Mastery, you will initiate the process of
integrating highly-developed crystalline, Life-Code Seed Atoms;
a new, advanced evolutionary process to be used in the next
forthcoming Golden Age. Humanity is ready to take a giant leap in
consciousness. At some point in every person’s Soul journey throughout
time and space, there is a yearning to return to the higher realms–a
Divine discontent sets in that cannot be denied. First you must become
aware of the voice of your conscience. The
whispers of your Soul will grow louder and more distinctive as you begin
to pay attention to the call of Spirit. A sensitivity grows within your
feeling nature as you become attuned to higher vibrational patterns of
people, places, thoughts and actions. Eventually you will learn to
distinguish the Soul Song vibrations of your Soul family, and of the
different masters and angelic Beings.
Yes, humanity is in the midst of dramatic changes, an evolutionary process of profound proportions. However, remember, it is just a part of the never-ending spiral. All of you who are awakening to your God consciousness have experienced a great variety of momentous transitional processes throughout this universe.
Yes, humanity is in the midst of dramatic changes, an evolutionary process of profound proportions. However, remember, it is just a part of the never-ending spiral. All of you who are awakening to your God consciousness have experienced a great variety of momentous transitional processes throughout this universe.
Please take heed: no longer
will you be allowed to stagnate or even stay at a certain level very
long—time and the process of transformation are moving too rapidly. Your
language is changing; your thought forms are different. The old areas
of your brain which contain your past are gradually being refined or
dissolved, so it is beginning to seem as though everything that happened
before, even last year, is a vague dream. New areas of your brain are
being activated and you must learn to think in a whole new way. Light
packets of information, holographic pictures of great significance and
sacred geometric patterns will begin to come into your consciousness,
and you must learn how to decipher these. It may seem as if those whom
you are moving beyond no longer understand you, or you cannot find words
to carry on the old mundane patterns of conversation. You will also
find that you do not need to verbalize every thought as you begin to
telepathically pick up the energies and thoughts of those around you.
Your intuitive abilities will increase, and you will not be easily
deceived. You will speak your truth with spiritual integrity, and you
will not be willing to engage in the negative games of the past.
We implore you: do not become attached
to any way of being, any one modality, any philosophy that is too narrow
or structured, or buy into any agreement that gives power to someone
outside yourself. Discernment, discernment, discernment—we cannot
emphasize this enough, for as quickly as an apparent truth comes forth
and you incorporate it into your belief system, it may be superseded by a
higher truth or a new concept. In looking back, can you not see that
much of the knowledge you now accept as your absolute truth was beyond
your wildest imagining ten years ago, or even six months ago? Be aware
that many of the things you are so certain about today will undoubtedly
change tomorrow or in the near future.
Mentally, new ideas and concepts are
bombarding your consciousness. Nebulous at first, but gradually
solidifying as you use your enhanced reasoning abilities to unfold and
decode the formulas and inventions of the future. As you tap into the
higher planes of the fifth dimension, you will begin to remember facets
of the blueprint of Creation for this Sub-universe: how to hold a pure
thought until it is brought to fruition and how you assisted in the
creation of a great variety of wondrous things. Many of you will begin
to see geometric shapes, sparkling crystals, and brilliant new colors as
you move through and beyond time and space into realms of Light.
We have said that many special
dispensations are being given to those who bravely step to the fore and
claim their heritage. As the masses awaken and cry out for assistance,
solutions, information and encouragement, you will be needed more than
ever, my brave ones. We are waiting to empower you, to gift you with
wisdom, abilities and knowledge beyond your wildest imaginings. You see,
your brain has always functioned at 100% capacity, which may come as a
surprise to you, for you have heard that the average person only uses
approximately 10% of their brain power. Before the mid-1900's, the
masses have only had access to that limited portion of the brain which
resonated to the frequencies of the third and lower-fourth dimensions.
It is the mind that is/was restricted, not the brain. As you balance and
integrate the higher frequencies, you gain access to more and more of
your brain power that resonates to the higher-fourth and fifth
dimensions. Some advanced Souls are even tapping into the lower levels
of the sixth dimension. It is not possible to access those advanced
portions of your brain until you attune to those refined frequencies.
The major goal at the present time is to raise your vibrational
frequencies to the level necessary to clear the membranes of Light which
guard the portals to your Sacred Mind and Sacred Heart and the
fifth-dimensional levels of the brain structure. That is when you will truly begin to make progress in your spiritual quest.
Be aware that there is an ebb and flow
to the process of ascension. There are great pulsations of new higher
Cosmic Ray vibrational patterns bombarding the Earth, with quiet times
in-between so as not to create an overload situation.
Ascension is not a steady, forward-motion process. It is an insurgence
of energy and new information, and then a time of assimilation,
integration and manifestation. Many of the sensations seem more
pronounced to you at this time. You may feel as though you have taken a
great leap into the unknown at times or taken a step backward into
uncertainty. At other times you may feel an intensified sense of
vulnerability. By now, you should be somewhat accustomed to the ebb and
flow of magnified, accelerated frequencies; however, when you are
pushed to the next level of awareness, it often sets off an alarm of
varying degrees in your physical/mental/emotional bodies.
It is decision time, for this is a time of a harvesting of Souls.
Everyone must decide whether they wish to move forward with the Earth
as she spirals into the higher dimensional frequencies; whether they
will choose to leave and return at a later time or move on to another
planet of third-dimensional reality to finish their lessons in the
physical expression. Many Souls will choose to leave the Earth plane as a
part of their contract and Divine mission, and many other beautiful
Souls are being placed or readied to assume positions of authority,
positions of power. They will remain low key,
possibly in the background, until it is time to step forward and make
themselves known. They will be dynamic, forceful and carry a new vision
for humanity—one that will serve all people and create the foundation
for the New Age to come.
And so we say to you, ‘HOLD STEADY, BELOVEDS.’
This is the time to seek your truth, to once again take control and
dominion over your world, to remember you are a representative of the
Creator on an important mission called “the evolution of humanity and the planet Earth.” Accept your power as a master of cocreation. Accept and activate the gifts you were endowed with that lie dormant within.
This is a time of mass awakening as more
and more dear Souls begin to feel the nudge of Spirit and begin to
listen to the whisperings of his/her Soul Self. Therefore, in our
missives of the future, we will include a few of the earlier concepts we
have given over the past twenty years. This will be a good review for
those of you who have been devoted students for many years. It will
also encourage and inspire those who are just beginning to seek the
Light of Truth, for the messages will include segments that they can
clearly understand. Do not despair, beloveds, if you have been led to
our current teachings and they prove to be too difficult to understand.
Our many messengers of Light have labored tirelessly to bring forth our
wisdom teachings that address the basics tenets of spirituality through
the many intermediate levels, and now to the current advanced cosmic
teachings. If you will seek out these past messages, you will find your
own level of understanding and you may comfortably proceed from that
level forward.
The evolutionary process for humanity is
in full-swing and moving forward at an astounding pace. Open your minds
and your hearts, beloveds, and embrace the infusion of Divine
Love/Light that awaits you. Bask in the glory of reunion with us as we
move forward together on this incredible journey into a new reality. We
are with you always. You are loved most profoundly.
I AM Archangel Michael
Transmitted through Ronna Herman http://www.ronnastar.com/
* Copy freely and share. However, I claim the universal copyright for
this article in the name of Archangel Michael. WE OFFER ARCHANGEL
MICHAEL’S MESSAGES ON OUR WEBSITE AS A GIFT; HOWEVER, WE DO APPRECIATE
YOUR DONATIONS TO HELP DEFRAY OPERATING EXPENSES AND POSTAGE FEES FOR
THE FREE LOVE PACKETS WE SEND AROUND THE WORLD.
The manuscript of survival – part 275
February 28, 2013
Today you have entered a brand new phase dear ones, one where you will feel the breath of fresh air starting to tingle on your face. For you have once again exited a tunnel of travail, and now, you will feel as if you have left something rather cumbersome behind in that tunnel, and you are free to move in a much more lively fashion. For you have once again stripped yourself of some old raiments, things that have been stuck to you for such a long time, you had almost forgotten they were even there in the first place. So take some time to celebrate yourself today, as you are once again buoyant enough to rise even higher into this pristine air.
We speak in parables as usual, but we think you will all understand just what we mean by this. And even if some of the things we refer to are almost unseen by many of you, you will still feel their absence as a relief in your whole system. For this process of pushing and pulling, squeezing and letting go in an almost rhythmic fashion is not only pulling you all further along on this path, it is also ensuring that you continue to travel ever more lightly. So take a bow, as you certainly deserve it, after having once more being plunged into the icy waters of second thoughts, and once again emerged from it even more certain that this is the only right path for you, and this journey is what you have dreamed of for eternity. It might not feel like a dream journey at all times, but even when the going gets tough, you know you have no real desire to call it quits and return to where you came from. For you sense, even in the darkest of hours, that you are being pulled along towards the brightest of lights. And even if the current at times seems to double up on itself and throw you into an impasse, you still sense a sort of forward momentum anyhow. For you are never in stagnant waters for long, and when you are there, know that this too is according to plan. Because you are not meant to withstand an endless succession of rapids without having the chance to breathe in, exhale and give yourself a little rest now and then. For you need this pulse to be just that, an on and off sensation of movement and pressure, easing into a somewhat slower and more tranquil phase, where you get the chance to catch your breath and recuperate a little bit before you once again get to shoot another rapid.
But these quiet moments, if we may call them that, sometimes seem to be the more challenging ones, because then your mind gets a little bit more space to start to think and feel again, and then, uncertainty and disbelief starts to raise its little head again. So for many, the periods of intense physical signalling is mayhaps the more bearable ones, because then you not only get all the confirmation you need that something is indeed afoot, but your mind does not get any space to misbehave again, and it will resort to sitting quietly in a corner and maybe just sulk a little bit. So this cycle of intense activity interspersed with some ”down” periods to call them that, each bring with them their own unique challenges. But for you, who have become seasoned travellers already, we think you have found a way to navigate the rapids as well as the backwaters. For you have learned to connect, both with your own center, but also with the whole network of fellow travellers out there, and as such, you have become more than adept at taking it all on no matter how daunting the rapid is or no matter how eerily quiet the pond seems to be at times.
For you have journeyed well, and will continue to do so, for you have set your sights on the one true thing that you know, that you are destined to conquer this whole river and get to the promised land you can already sense somewhere in the distance. And best of all, now you know that you will arrive there in the company of a great many other shining souls just like you. For you are not alone on this river any more, in fact, you have already connected with so many others on the way, and you can hear their shouts of joy, and you can shout out encouragement to anyone you hear is in distress. And that way, you can all help each other onwards on this journey.
Let us just close off todays message with a salute from us all. We are in awe of your accomplishments, and even if this may not be news to any of you, we would like to remind you all that you have come such a long way in just the last few weeks. And the biggest accomplishment you have made lately, is the connection you have all forged whilst being tossed to and fro in the churning waters of this river. For it is not given that you should take the time to reach out to others while you yourself at times are barely holding your head above the waters, so we are here to remind you all that you have in fact achieved something that is more than amazing indeed. So cudos to you all, you have not only helped yourself so much further along the banks of this river, but you have also linked up with the others in such a way you already form an unbreakable chain of light, each link pulling the others along, and each part of the chain making all of the others just that much stronger. So again we say do not forget to thank yourself for what you do. For what you all do is nothing short of magical, and we thank you all from the bottom of our hearts, and we do so on behalf of All of creation.
Gravity Waves and Ancient Egypt (26th Feb 2013)
Dutchsinse – US Navy Labs Create Plasma Spheres (Rings) Using HAARP – HF – High Frequency – 27 February 2013
Uploaded on 27 February 2013 by dutchsinse
This is a profound release, just put out by the US Naval Research Lab on Feb. 25, 2013..
In essence, this experiment done by the Navy contradicts ALL the
skeptics who said it quote “could not be done” using frequency in the
Atmosphere.Ironic indeed that the frequency they used from HAARP matches the capability of NEXRAD RADAR.. as they are creating this plasma in the atmosphere using 0-4MHz.. (nexrad pulses between 0 to 12.4MHz putting the HAARP frequency and RADAR frequency on overlapping spectrums)
To top it off, with this Navy experiment — the plasma RING/SPHERE was observed on RADAR from Poker Flats, AK.. refuting even more skeptics who said HAARP cannot be seen on RADAR.
Furthermore, separately, we found RADAR is used to generate plasma from a place called SPEAR (in Norway) , they are using RADAR as a ‘heater’ in the same GHz spectrum that NEXRAD RADAR normally operates on when not in pulse mode (2.7GHz to 3.0GHz). Proving RADAR can , and is currently being used to induce effects in the atmosphere — not just observe it.
Finally, we found information that RADAR was used to generate artificial plasma / literally LIGHTNING at the MIT research labs… C-band and S-band.. again.. same bands that NEXRAD RADAR use.
In otherwords, NEXRAD RADARs for sure have the functionality to act as small versions of HAARP or EISCAT. To function as ‘heaters’ and plasma / lightning generators (for signal reflection / over the horizon capability / heating weather modification).
Any skeptic who said it could not be done, (for instance those at Realist News, or Metabunk just to name a few) NEED TO ISSUE FULL RETRACTIONS AND CORRECTIONS —- assuming of course they really are into science and not trying to just protect their egos.
If they don’t issue retractions and corrections saying they were wrong, then you know they’re pushing an agenda that does not include real science — up until now they could say “it can’t be done”… now what is their explanation?
They said I was photoshopping and HOAXING these RADAR pulses … lol .. nice one.. now lets see what they have to say… right now.. its been out 2 days.. and we hear CRICKETS from their side.
links here:
http://sincedutch.wordpress.com/2013/…
photos of past events:
https://plus.google.com/u/0/photos/10…
more about the HAARP ring / RADAR pulse theory here:
http://sincedutch.wordpress.com/2012/…
even more here:
http://www.rezn8d.net
Past HAARP ring / RADAR pulse events and the storms which hit within 72 hours:
http://sincedutch.wordpress.com/2012
Brain-Machine Interfaces (BMI)
Brain-Machine Interfaces (BMI)
Designing better interfaces: skin-like electronics
Capabilities for non-invasive measurement of neural signals are important because they support many critical biomedical applications, including brain-machine interface paradigms in mobile applications. Currently, recording neural signals in mobile environments is a challenge because conventional measurement devices have rigid or mildly flexible construction and bulky cables for signal conduction. Technologies of the future must address these drawbacks, through new ideas that provide ultrathin, conformal designs, with high fidelity and non-invasive measurement modes. Our research group, in conjunction with the research group of John Rogers at UIUC, is developing foldable, stretchable electrode arrays that can non-invasively measure neural signals (i.e. EEG) without the need for gel. The electrodes rely on layouts recently developed for silicon electronics that offer linear elastic responses to applied force, with the capacity to fold, twist and deform into various curved shapes. Stretchable electronics have the key advantage that they can wrap arbitrary, curvilinear surfaces and, at the same time, achieve mechanical properties that approach those of tissues of the human body (e.g. skin). These capabilities are especially significant for applications in skin-mounted devices for electroencephalography (EEG) in mobile environments.
Here, intimate contact enables efficient electrical coupling for high fidelity measurement. In particular, the signal to noise ratios of recorded signals benefit from low output impedances between the electrodes and the skin, enabled by the conformal interface.
Related publications
A Team Decision-Theory Approach: “agents cooperating to achieve a common goal”
A brain-machine interface is a system comprising a direct communication pathway between the brain and an external device. Our research group has developed an interpretation of the BMI as a system comprising multiple agents cooperating to achieve a common goal. This “team decision theory” viewpoint has led us to leverage insights from feedback information theory and control theory to develop direct brain control systems that are easy to use, are theoretically optimal, and attain previously un-attainable performance.
Related publications
Machine Learning in Dynamic Interacting Networks: Uncovering Causal Influences
Many current viewpoints about how neural processes integrate to elicit complex brain function posit that populations of neurons in the human brain are connected to form functionally specialized assemblies. With the increasing ability to record multiple neural signals at different brain areas simultaneously, one core issue in neuroscience research is understanding the mechanistic phenomena and how to analyze these ensemble recordings and infer the structure of these mechanisms. One such approach to attempt to understand this mechanistic phenomena is by using a statistical measure of causality.
The directed information is an information-theoretic quantity analogous to mutual information that encodes the fundamental limits of communication with feedback. It is directional and non-symmetric. From the viewpoint of a sequential prediction under the log loss, it can be shown to be philosophically consistent with “Granger causality”, in that it measures directionality of causality (e.g., X causing Y) by assessing whether or not past values of X and Y help to predict the future of Y better than only past values of Y. We have used the directed information and extended it to the “right” notion of causality when we record more than two time series simultaneously. By espousing a coupled dynamical systems and generative model viewpoint, we show that the “right” measure of causality within a network of many interacting processes is the “causally conditioned directed information”.
We have developed provably good estimation algorithms to estimate these quantities from data and have demonstrated how the network causal dynamics represent information processing in the brain. In the primary visual cortex of an awake-behaving monkey, we analyzed simultaneous spiking and field potential recordings and demonstrate a consistent change in causal interactions between cells before, during, and after a visual stimulus evokes a motor response. Our procedure identifies strong structure in the estimated causal relationships in the spike trains, the directionality and speed of which is consistent with predictions made from the wave propagation of simultaneously recorded local field potentials.
Our approach is applicable to an arbitrary modality and thus can be applicable to a variety applications, including social networks, economics, and network security.
Related publications
Designing better interfaces: skin-like electronics
Capabilities for non-invasive measurement of neural signals are important because they support many critical biomedical applications, including brain-machine interface paradigms in mobile applications. Currently, recording neural signals in mobile environments is a challenge because conventional measurement devices have rigid or mildly flexible construction and bulky cables for signal conduction. Technologies of the future must address these drawbacks, through new ideas that provide ultrathin, conformal designs, with high fidelity and non-invasive measurement modes. Our research group, in conjunction with the research group of John Rogers at UIUC, is developing foldable, stretchable electrode arrays that can non-invasively measure neural signals (i.e. EEG) without the need for gel. The electrodes rely on layouts recently developed for silicon electronics that offer linear elastic responses to applied force, with the capacity to fold, twist and deform into various curved shapes. Stretchable electronics have the key advantage that they can wrap arbitrary, curvilinear surfaces and, at the same time, achieve mechanical properties that approach those of tissues of the human body (e.g. skin). These capabilities are especially significant for applications in skin-mounted devices for electroencephalography (EEG) in mobile environments.
Here, intimate contact enables efficient electrical coupling for high fidelity measurement. In particular, the signal to noise ratios of recorded signals benefit from low output impedances between the electrodes and the skin, enabled by the conformal interface.
Related publications
- D. H. Kim, N. Lu, R. Ma, Y.S. Kim, R.H. Kim, S. W, S. M. Won, H. Tao, A. Islam, K.J. Yu, T. Kim, R. Chowdhury, M. Ying, L. Xu, J. Wu, M. Li, H.J. Chung, F. G. Omenetto, Y. Huang, T. P. Coleman, J. A. Rogers, “Epidermal Electronics”, Science, Aug 12, 2011.
Related press coverage:
A Team Decision-Theory Approach: “agents cooperating to achieve a common goal”
A brain-machine interface is a system comprising a direct communication pathway between the brain and an external device. Our research group has developed an interpretation of the BMI as a system comprising multiple agents cooperating to achieve a common goal. This “team decision theory” viewpoint has led us to leverage insights from feedback information theory and control theory to develop direct brain control systems that are easy to use, are theoretically optimal, and attain previously un-attainable performance.
Related publications
- C. Omar, A. Akce, M. Johnson, T. Bretl, R. Ma, E. Maclin, M. McCormick, and T. P. Coleman, “A Feedback Information-Theoretic Approach to the Design of Brain-Computer Interfaces”, International Journal on Human-Computer Interaction, January 2011.
- R. Ma, N. Aghasadeghi, J. A. Jarzebowski, T. W. Bretl, and T. P. Coleman, “A Stochastic Control Approach to Optimally Designing Variable-Sized Menus in P300 Neural Communication Prostheses”, IEEE Trans on Neural Systems and Rehabilitation Engineering (TNSRE), January 2012.
- S. K. Gorantla, and T. P. Coleman, “Equivalence Between Reliable Feedback Communication and Nonlinear Filter Stability”, IEEE International Symposium on Information Theory , August 2011.
- R. Ma, and T. P. Coleman, “Generalizing the Posterior Matching Scheme to Higher Dimensions via Optimal Transportation”, Allerton Conference on Communication, Control, and Computing, September 2011.
- A. Kulkarni and T. P. Coleman, “An Optimizer’s Approach to Stochastic Control Problems with Non-classical Information Structure”, IEEE International Conference on Decision and Control (CDC), to appear, December 2012
Machine Learning in Dynamic Interacting Networks: Uncovering Causal Influences
Many current viewpoints about how neural processes integrate to elicit complex brain function posit that populations of neurons in the human brain are connected to form functionally specialized assemblies. With the increasing ability to record multiple neural signals at different brain areas simultaneously, one core issue in neuroscience research is understanding the mechanistic phenomena and how to analyze these ensemble recordings and infer the structure of these mechanisms. One such approach to attempt to understand this mechanistic phenomena is by using a statistical measure of causality.
The directed information is an information-theoretic quantity analogous to mutual information that encodes the fundamental limits of communication with feedback. It is directional and non-symmetric. From the viewpoint of a sequential prediction under the log loss, it can be shown to be philosophically consistent with “Granger causality”, in that it measures directionality of causality (e.g., X causing Y) by assessing whether or not past values of X and Y help to predict the future of Y better than only past values of Y. We have used the directed information and extended it to the “right” notion of causality when we record more than two time series simultaneously. By espousing a coupled dynamical systems and generative model viewpoint, we show that the “right” measure of causality within a network of many interacting processes is the “causally conditioned directed information”.
We have developed provably good estimation algorithms to estimate these quantities from data and have demonstrated how the network causal dynamics represent information processing in the brain. In the primary visual cortex of an awake-behaving monkey, we analyzed simultaneous spiking and field potential recordings and demonstrate a consistent change in causal interactions between cells before, during, and after a visual stimulus evokes a motor response. Our procedure identifies strong structure in the estimated causal relationships in the spike trains, the directionality and speed of which is consistent with predictions made from the wave propagation of simultaneously recorded local field potentials.
Our approach is applicable to an arbitrary modality and thus can be applicable to a variety applications, including social networks, economics, and network security.
Related publications
- C. Quinn, T. P. Coleman, N. Kiyavash, and N. G. Hatsopoulos, “Estimating the directed information to infer causal relationships in ensemble neural spike train recordings”, J. Computational Neuroscience, January 2011.
- S. Kim, K. Takahashi, N. Hatsopoulos, and T. P. Coleman, “Information Transfer Between Neurons in the Motor Cortex Triggered by Visual Cues”, IEEE Engineering in Medicine and Biology Society Annual Conference , September 2011.
- J. Etesami, N. Kiyavash, and T. P. Coleman, “Learning Minimal Latent Directed Information Trees”, IEEE International Symposium on Information Theory (ISIT), July 2012.
- C. Quinn, N. Kiyavash, and T. P. Coleman, “Efficient Methods to Compute Optimal Tree Approximations of Directed Information Graphs”, to appear, IEEE Transactions on Signal Processing .
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miércoles, febrero 27, 2013
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