Dear all,
*Professor Bratislav Misic *(Montreal Neurological Institute/McConnell Brain Imaging Centre) will be speaking in our Cognitive Area Seminar this *Friday, November 4th, 3:30 - 5 PM *(Room S3/4, Stewart Biology Building, 1205 Docteur Penfield Avenue).
*His talk is titled, **"* *Spreading dynamics on large-scale brain networks."*
For a full abstract, see below the dashed line.
Please join us at this event!
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*Spreading dynamics on large-scale brain networks*
Professor Bratislav Misic, Montreal Neurological Institute, McConnell Brain Imaging Centre
The human brain is a complex network of anatomically connected and functionally interacting neuronal populations. Collective communication among these distributed elements is thought to support patterned neural activity, as well as flexible cognitive operations and complex behavior. Recent innovations in noninvasive neuroimaging have resulted in increasingly detailed maps of human brain connectivity patterns, creating a need for theoretical principles that explain how these networks shape neural communication. Here we systematically investigate how neural signaling is constrained by anatomical connectivity in meso- and macro-scale neural circuits. Using a simple model of cascade spreading, we investigate a series of scenarios where focal perturbations result in global signaling cascades that interact either cooperatively or competitively. We find that topological features, such as community structure and core-periphery organization, shape spreading patterns. Moreover, anatomical embedding potentiates sensory-motor integration and the convergence of multiple cascades towards polysensory associative areas. Altogether, these results show that the organization of brain networks shapes the functional properties of brain areas and facilitates integrative function.
Dear all,
A reminder that *Professor Bratislav Misic *(Montreal Neurological Institute/McConnell Brain Imaging Centre) will be speaking in our Cognitive Area Seminar this *Friday, November 4th, 3:30 - 5 PM *(Room S3/4, Stewart Biology Building, 1205 Docteur Penfield Avenue).
*His talk is titled, **"* *Spreading dynamics on large-scale brain networks."*
For a full abstract, see below the dashed line.
Please join us at this event!
---------------------------------------
*Spreading dynamics on large-scale brain networks*
Professor Bratislav Misic, Montreal Neurological Institute, McConnell Brain Imaging Centre
The human brain is a complex network of anatomically connected and functionally interacting neuronal populations. Collective communication among these distributed elements is thought to support patterned neural activity, as well as flexible cognitiveoperations and complex behavior. Recent innovations in noninvasive neuroimaging have resulted in increasingly detailed maps of human brain connectivity patterns, creating a need for theoretical principles that explain how these networks shape neural communication. Here we systematically investigate how neural signaling is constrained by anatomical connectivity in meso- and macro-scale neural circuits. Using a simple model of cascade spreading, we investigate a series of scenarios where focal perturbations result in global signaling cascades that interact either cooperatively or competitively. We find that topological features, such as community structure and core-periphery organization, shape spreading patterns. Moreover, anatomical embedding potentiates sensory-motor integration and the convergence of multiple cascades towards polysensory associative areas. Altogether, these results show that the organization of brain networks shapes the functional properties of brain areas and facilitates integrative function.
On Mon, Oct 31, 2016 at 10:15 AM, Anna Zamm anna.zamm@mail.mcgill.ca wrote:
Dear all,
*Professor Bratislav Misic *(Montreal Neurological Institute/McConnell Brain Imaging Centre) will be speaking in our Cognitive Area Seminar this *Friday, November 4th, 3:30 - 5 PM *(Room S3/4, Stewart Biology Building, 1205 Docteur Penfield Avenue).
*His talk is titled, **"* *Spreading dynamics on large-scale brain networks."*
For a full abstract, see below the dashed line.
Please join us at this event!
*Spreading dynamics on large-scale brain networks*
Professor Bratislav Misic, Montreal Neurological Institute, McConnell Brain Imaging Centre
The human brain is a complex network of anatomically connected and functionally interacting neuronal populations. Collective communication among these distributed elements is thought to support patterned neural activity, as well as flexible cognitive operations and complex behavior. Recent innovations in noninvasive neuroimaging have resulted in increasingly detailed maps of human brain connectivity patterns, creating a need for theoretical principles that explain how these networks shape neural communication. Here we systematically investigate how neural signaling is constrained by anatomical connectivity in meso- and macro-scale neural circuits. Using a simple model of cascade spreading, we investigate a series of scenarios where focal perturbations result in global signaling cascades that interact either cooperatively or competitively. We find that topological features, such as community structure and core-periphery organization, shape spreading patterns. Moreover, anatomical embedding potentiates sensory-motor integration and the convergence of multiple cascades towards polysensory associative areas. Altogether, these results show that the organization of brain networks shapes the functional properties of brain areas and facilitates integrative function.
-
Anna Zamm