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Keywords:
Artificial Intelligence
CBS
Neurochemistry
Pain
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Scene Statistics
Oscillations
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Upcoming:
-
14 hours 35 min from now:Evelina Fedorenko - A novel framework for a neural architecture of languageEvelina Fedorenko
MIT, Brain & Cognitive Sciences Department
Abstract: What are the cognitive and neural mechanisms underlying the uniquely and universally human capacity for language? Since Broca's and Wernicke's seminal discoveries in the 19th century, a broad array of brain regions have been implicated in linguistic comprehension, production and learning, spanning frontal, temporal and parietal lobes, both hemispheres, and subcortical and cerebellar structures. However, characterizing the precise contributions of these different structures to language has proven challenging. Furthermore, although evidence from the investigations of patients with brain damage has long suggested some degree of independence between language and other high-level cognitive functions, many neuroimaging studies have argued that brain regions implicated in language are also engaged in many non-linguistic processes. In this talk I will argue that language is supported by the joint engagement of two functionally and computationally distinct brain systems. The first is comprised of the classic “language regions” on the lateral surfaces of left frontal and temporal lobes. Using individual-subject analysis methods which surpass traditional neuroimaging methods in sensitivity and functional resolution (Fedorenko et al., 2010; Nieto-Castañon & Fedorenko, 2012; Saxe et al., 2006), I have shown that these brain regions are specifically engaged in language processing (Fedorenko et al., 2011; see also Monti et al., 2012). The second is the fronto-parietal "multiple demand" network, a set of regions that are engaged across a wide range of demanding cognitive demands (e.g., Duncan, 2001, 2010). Most past neuroimaging work on language processing has not explicitly distinguished between these two systems, especially in the frontal lobes,
where subsets of each system reside side by side within the region referred to as “Broca’s area” (Fedorenko et al., 2012). Using a variety of research methods I am now beginning to characterize the important roles of both
domain-specific and domain-general mechanisms in language.
Bio: Ev Fedorenko is a research scientist in the Department of Brain & Cognitive Sciences at MIT. She seeks to understand i) the representations and computations that underlie human communicative abilities, and ii) the relationship between the language system and other cognitive/neural systems. To do so, she is adopting individual-subject MRI analysis methods that have been successful in other domains (e.g., vision), supplementing those with behavioral investigations of healthy and brain-damaged individuals and more temporally-sensitive methods like ECoG. -
2 days 13 hours from now:Hideki KawaharaHideki Kawahara (Wakayama University)
http://www.bu.edu/dbin/hrc/calendar -
6 days 19 hours from now:Sharon Thompson-Schill - Costs and benefits of cognitive control for language processingSharon Thompson-Schill (University of Pennsylvania)
Abstract:
There is no doubt that cognitive control and language processing are intertwined: Prefrontal cortical regions that support the ability to resolve competition between multiple, incompatible representations are recruited for both language production and language comprehension. In this talk, I will explore a somewhat less intuitive hypothesis, namely that cognitive control has both benefits and costs for language processing. After introducing the motivation for this hypothesis, I will provide evidence from three experiments in which we manipulated frontally-mediated cognitive control processes using noninvasive brain stimulation (transcranial direct current stimulation; TDCS) and observed the consequences for different aspects of language processing. I will present results from one experiment that shows a benefit of cognitive control (a categorization task), a second that shows a cost of cognitive control (a different categorization task), and a third that shows both costs and benefits (a word production task). -
1 week 16 hours from now:Amanda Tarullo - Developmental Consequences of Early Deprivation: Neural Function, Diurnal Cortisol Activity, and Social Behavior in Post-institutionalized ChildrenPart of the Center for Depression, Anxiety and Stress Research
Speaker Series (CDASR) 2012 – 2013. -
1 week 6 days from now:Rhythmic Dynamics and CognitionThe Cognitive Rhythms Collaborative, with
McGovern Institute for Brain Research (MIT)
The Picower Institute for Learning and Memory (MIT)
Athinoula A. Martinos Center for Biomedical Imaging (MGH)
Hariri Institute for Computing and Computational Science & Engineering (BU)
Center for Computational Neuroscience and Neural Technology (BU)
is pleased to present a symposium on
Rhythmic Dynamics and Cognition
Speakers are:
Peter Brown (University of Oxford)
Elizabeth Buffalo (Emory University)
Pascal Fries, (Ernst Strungmann Institute, Frankfurt)
Robert Knight (UC Berkeley)
Fiona LeBeau (Newcastle University)
Earl Miller (MIT)
Charles Schroeder (Nathan Kline Institute)
Markus Siegel (University of Tbingen)
Peter Uhlhaas (University of Glasgow)
Christa van Dort (Mass. General Hospital)
Charles Wilson (University of Texas, San Antonio),
with a session emphasizing analysis of rhythmic data:
Rosalyn Moran (Virginia Tech)
Liam Paninski (Columbia University)
Bijan Pesaran (New York University)
Astrid Prinz (Emory University)
For more information, please see
http://cogrhythms.bu.edu/conference.htm
Registration: http://crc_conference.eventbrite.com/ -
1 week 6 days from now:17th International Conference on Cognitive and Neural Systemshttp://cns.bu.edu/cns-meeting/conference.html
Please note that the financial support from NSF is still pending final agency approval, and that the conference web site is under construction.
SEVENTEENTH INTERNATIONAL CONFERENCE
ON COGNITIVE AND NEURAL SYSTEMS
Sponsored by the Boston University
Center for Adaptive Systems,
Center for Computational Neuroscience and Neural Technology (CompNet),
and
Center of Excellence for Learning in Education, Science, and Technology (CELEST)
with financial support from the National Science Foundation
This interdisciplinary conference is attended each year by approximately 300 people from 30 countries around the world. As in previous years, the conference will focus on solutions to the questions:
HOW DOES THE BRAIN CONTROL BEHAVIOR?
HOW CAN TECHNOLOGY EMULATE BIOLOGICAL INTELLIGENCE?
The conference is aimed at researchers and students of computational neuroscience, cognitive science, neural networks, neuromorphic engineering, and artificial intelligence. It includes invited lectures and contributed lectures and posters by experts on the biology and technology of how the brain and other intelligent systems adapt to a changing world. The conference is particularly interested in exploring how the brain and biologically-inspired algorithms and systems in engineering and technology can learn. Single-track oral and poster sessions enable all presented work to be highly visible. Three-hour poster sessions with no conflicting events will be held on two of the conference days. Posters will be up all day, and can also be viewed during breaks in the talk schedule.
CONFIRMED INVITED SPEAKERS
Marisa Carrasco (New York University) - Effects of attention on early vision
Robert Desimone [Plenary Speaker] (Massachusetts Institute of Technology) - Prefrontal-visual cortex interactions in attention
Azir Ghazanfar (Princeton University) - TBD
Stephen Grossberg (Boston University) - Behavioral economics and neuroeconomics: Cooperation, competition, preference, and decision-making
Joy Hirsch (Columbia University) - Neural circuits for conflict resolution
Roberta Klatzky (Carnegie Mellon University) - Multi-modal interactions within and between senses
Kevin LaBar (Duke University) - Neural systems for fear generalization
Randi Martin (Rice University) - Memory retrieval and interference during language comprehension
Andrew Meltzoff (University of Washington) - How to build a baby with social cognition: Accelerating learning by generalizing across self and other
Earl Miller (Massachusetts Institute of Technology) - Brain rhythms and cognition
Javier Movellan (University of California, San Diego) - Optimal control approaches to the analysis and synthesis of social behavior
Mary Potter (Massachusetts Institute of Technology) - Recognizing briefly presented pictures: Feedforward processing?
Pieter Roelfsema (The Netherlands Institute for Neuroscience) - Neuronal mechanisms for perceptual organization
Daniel Salzman (Columbia University) - Cognitive signals in the amygdala
Daniel Schacter [Plenary Speaker] (Harvard University) - Constructive memory and imagining the future
Wolfram Schultz (University of Cambridge) - Neuronal reward and risk signals
Helen Tager-Flusberg (Boston University) - Identifying early neurobiological risk markers for autism spectrum disorder in the first year of life
James Todd (Ohio State University) - The perception of 3D shape from texture
Leslie Ungerlieder (National Institutes of Health) - Functional architecture for face processing in the primate brain
Jeremy Wolfe (Brigham and Women's Hospital) - How selective and non-selective pathways contribute to visual search in scenes -
2 weeks 16 hours from now:Stacey Doan - The Biopsychosocial Context of Adolescent Behavioral ProblemsPart of the Center for Depression, Anxiety and Stress Research
Speaker Series (CDASR) 2012 – 2013. -
3 weeks 20 hours from now:Bhisma Chakrabarti - Reward and Empathy: Connections, DisconnectionsBhisma Chakrabarti, Ph.D.
Assistant Professor in Neuroscience, School of Psychology and Clinical Language Sciences, University of Reading, UK
Abstract:
Description: At the heart of the social nature of our species, lies empathy, i.e. the ability to understand others' emotions and mental states, and respond appropriately to them. But what underlies this spontaneous and largely automatic ability to empathise with our conspecifics? In my talk I will present an emerging body of evidence that suggests that empathy is directly related to the functioning of the reward system, and discuss potential consequences of a disruption in the link between empathy and reward.
The first clue for this emerging view come from animal models, which show that pharmacological blockades and anatomical lesions of the reward system cause disruptions in social behaviour. The second clue comes from a recent meta-analysis of neuroimaging studies, which shows a significant overlap between the brain regions involved in reward and empathy. The third set of clues come from our recent experiments on spontaneous mimicry (SM) in humans, which indexes a key component of empathy. Using functional MRI and facial EMG, we measure individual differences in the link between reward and empathy, and demonstrate how autistic traits modulate this link.
Results from these studies and the existing body of evidence from animal models and social psychological studies suggest a strong connection between reward and empathy. This evidence provides a new perspective on the debate about a mirror systems deficit in autism. Our studies, although conducted in the general population, suggest that the autistic deficit may lie in an atypical modulation of the mirror system activity by the reward value of the stimulus.
http://web.mit.edu/scsb/ -
3 weeks 2 days from now:Jorg Scholvin - Three-dimensional and High-Density Microelectrode Technologies for Studying Neural Circuit Dynamics in Autistic Model MiceJorg Scholvin, Ph.D.
Simons Fellow, Synthetic Neurobiology Group
http://web.mit.edu/scsb/SCSBlunch.html -
5 weeks 2 days from now:12th Annual Eastern Auditory Retreat12th Annual Eastern Auditory Retreat @ Massachusetts Eye and Ear Infirmary, Boston, MA
This is a regional meeting whose mission is to promote collaboration and cooperation between auditory research labs that are reasonably close to each other. Past meetings in Pennsylvania, New York, New Jersey, Connecticut and Maryland have had attendees spanning the region from Maryland to Boston.
Deadline for abstract submission and registration for presenters - June 12, 2013
Registration deadline for meeting (no presentation) - June 17, 2013
Website for the meeting and registration is being constructed: http://earmeeting.org -
5 weeks 2 days from now:Neville Sanjana - Using genome engineering to model autism in human pluripotent stem cells and neuronsNeville Sanjana, Ph.D.
Simons Fellow, Zhang Lab and Broad Institute
http://web.mit.edu/scsb/SCSBlunch.html -
9 weeks 3 days from now:Understanding Functions of the Amygdala: Emerging Concepts and ImplicationsGordon Research Conference: Amygdala in Health & Disease
http://www.grc.org/programs.aspx?year=2013&program=grs_amyg