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Aphasia: advances in diagnosis, prognosis and treatment
Monday, 12 January 2015, 2pm to 3pm
Neuroscience Seminar Series: Daniel Margulies (Max Planck Institute, Leipzig): The convergence of cortical structure and network topography
Tuesday, 03 February 2015, 1pm to 2pm
Distinct large-scale cortical networks have been well characterized in recent years, but we are still lacking an integrative understanding of how they spatially related to one another. The hypothesis was recently proposed by Buckner and Krienen (2013) the cortical distance from highly differentiated primary sensory/motor areas may determine gradients of cortical specialization. I will present work extending the tethering hypothesis by investigating how spatial distance along the cortical mantle relates to regional specialization in function, and how it could be considered as a basic organizational principle of brain connectivity. Beginning from the the default-mode network (DMN), a functional continuum exists from the heterogeneous to highly specialized: more distal regions from the DMN are specialized in either primary sensory or motor functions and more proximal regions are associated with abstract cognition. This organization may explain why states such as mind-wandering are often associated with attenuated sensory processing. The implications of these findings for ontogenetic theories of cortical development and connectivity organization will also be discussed.
Neuroscience Seminar Series Double Bill: William Stauffer and Armin Lak (University of Cambridge): "Reward and decision signals in dopamine neurons"
Tuesday, 24 February 2015, 1pm to 2pm
Departmental Seminar Series. Gastrophysics: The new science of the table
Thursday, 04 December 2014, 12pm to 1pm
Departmental Seminar Series: Adolescent (Anti)Social Networks
Thursday, 20 November 2014, 12pm to 1pm
Departmental Seminar Series: Development of Literacy in Children at High-Risk of Dyslexia
Thursday, 06 November 2014, 12pm to 1pm
The contribution of primate frontopolar cortex to cognition
Thursday, 23 October 2014, 12pm to 1pm
Neuroscience Seminar Series: Laurence Hunt (University College London): Bridging microscopic and macroscopic choice dynamics in prefrontal cortex
Tuesday, 13 January 2015, 1pm to 2pm
Neuroscience Seminar Series: Markus Ullsperger (Max Planck Institute, Cologne): Title TBA
Tuesday, 11 November 2014, 1pm to 2pm
Neuroscience Seminar Series: David Ostry (McGill University): "Sensory Plasticity in Human Motor Learning"
Monday, 20 October 2014, 2pm to 3pm
Neuroscience Seminar Series: Mike Cohen (Amsterdam University): "Midfrontal Cortex Theta Oscillations: Causes and Consequences"
Tuesday, 25 November 2014, 1.30pm to 2.30pm
Neuroscience Seminar Series: Hanneke Den Ouden (Nijmegen): Knowing when to go: Serotonin (and dopamine) in learning and behavioural control
Tuesday, 14 October 2014, 1pm to 2pm
Serotonin and dopamine have been suggested to subserve motivationally opponent functions, but until recently this hypothesis was untested. I will present a study in which we investigated the dissociable roles of these neurotransmitters in a probabilistic reversal learning paradigm in nearly 700 individuals as a function of genetic variation in the serotonin and dopamine systems. I will then zoom in on serotonin, whose role in motivation processing is much less well understood than for dopamine, and present two pharmacological and a genetics neuroimaging study, in which we investigated the role of serotonin at the interface of aversive processing and behavioural inhibition.
Neuroscience Seminar Series: Richard Ivry (UC Berkeley): " Embodied Decision Making: System interactions in sensorimotor adaptation and reinforcement learning"
Wednesday, 17 September 2014, 1pm to 2pm