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Clinical Science Brown Bag Series: Kenneth MacLeish
January 27, 2015

Kenneth MacLeish Ph.D., Center for Medicine, Health and Society, Vanderbilt University

Tuesday, 1/27/15

12:10pm

Wilson Hall 316

Suicide, Surveillance and Intimacy in Military Life

Servicemember suicide is regarded by both military leaders and the American public as an urgent mental health and public health problem. This talk based on fieldwork at the U.S. Army’s Ft. Hood in central Texas does not describe the act of suicide itself, but how ideas about suicide show up in soldiers' talk and feelings and in institutional dimensions of everyday life in the military. Army  efforts to parse the causes of suicide and aggressive, anticipatory monitoring of “risky” behavior believed to be associated with it both loom large in soldiers' experience. These efforts come to shape how soldiers understand their own mental and emotional distress, that of their comrades, and their relationship to commanders, health care providers, and the Army as a whole. While suicide is typically imagined as a profoundly individualized dysfunction, this talk addresses some of the ways that its "social life" can be understood on subjective, interpersonal, and institutional levels, frequently as a reflection of Army efforts to more efficiently monitor and control the lives in its charge.

 

 


CCN Brown Bag Series: Jeff Annis
January 28, 2015

Jeff Annis, Ph.D., Department of Psychology (Palmeri Lab), Vanderbilt University

Wednesday, 1/28/15

12:10 p.m.

Wilson Hall 115

Sequential Dependencies in Recognition Memory

A sequential dependency occurs when the response on the current trial is correlated with responses made on prior trials. Sequential dependencies have been observed in a variety of both perception and memory tasks. Thus, sequential dependencies provide a platform for relating these two cognitive processes. However, there are many issues associated with measuring sequential dependencies and therefore it is necessary to develop measurement models that directly address them. Here, several measurement models of sequential dependencies for both binary and multi-interval response tasks are described. The efficacy of the models is verified by applying them to simulated data sets with known properties. Lastly, the models are then applied to real-world data sets which test the critical assumption that the underlying processes of sequential dependencies are modulated by attention. The models reveal increased vigilance during testing decreases the degree of sequential dependencies.

 

 


Neuroscience Brown Bag Series: David Lyon
January 29, 2015

David Lyon, Ph.D., Department of Anatomy & Neurobiology. University of California, Irvine School of Medicine

Thursday, 1/29/15

12:10 p.m.

Wilson Hall 316

Viral based strategies for targeting specific circuits in visual cortex of non-transgenic animals

Neocortex is intricately organized into multiple layers and numerous cell types that allow for a rich array of circuits and functional complexity. Transgenics has opened the door for targeting specific cortical cell types and particular layers, but is limited largely to mouse models.  Despite clear value, there are limitations to only studying transgenic mice, especially in brain structures like visual cortex that are more complex in species such as cat and monkey.  Recent efforts in my lab have been aimed towards developing and using viral based strategies to target particular circuits in non-transgenic species.  The goals of this talk will be to explain how these viral techniques work and the types of questions we can address in the study of visual cortex function, as well as provide a glimpse into the future potential of this approach.

 

 

 


Cognitive and Neural Modeling Meeting: Akash Umakantha
January 30, 2015

Akash Umakantha, Biomedical Engineering & Neuroscience (Palmeri Lab), Vanderbilt University

Friday, 1/30/15

12:30pm

Wilson Hall 316

Mapping Between a Spiking Neural Network and the Diffusion Model of Perceptual Decision Making


Clinical Science Brown Bag Series: Rob Reinhart
February 3, 2015

Rob Reinhart, Department of Psychology (Woodman lab), Vanderbilt University

Tuesday, 2/3/15

12:10pm

Wilson Hall 316

Synchronizing Brain Rhythms Restores Adaptive Control in Schizophrenia

The ability to exert control over our behavior is fundamental to human cognition. This ability allows us to break out of routines and habits, adapting to new and ever changing environments. For people with psychiatric and neurological disorders, impairments in adaptive control are pervasive. Schizophrenia patients in particular show deficits in reacting to errors. These enduring difficulties with executive control mechanisms that allow us to adapt have direct implications for the lives of these patients in the real world. In this talk, I will present unique causal evidence for the neural mechanisms of adaptive control that distinguish healthy people from those with schizophrenia. I will show how we have combined direct-current stimulation to safely, noninvasively, and casually manipulate neural activity in a targeted brain region with measurements of electrical brain activity that are hypothesized to index the large-scale neural networks underlying adaptive control. Our results have implications for theories of executive control and cortical dysconnectivity in schizophrenia, as well as the development of new, drug-free, intervention therapies for psychiatric and neurological patients with cognitive deficits.

 

 

 

 

 

 


CCN Brown Bag Series: Katie Ryan
February 4, 2015

Katie Ryan, Department of Psychology (Gauthier Lab), Vanderbilt University

Wednesday, 2/4/15

12:10 p.m.

Wilson Hall 115

Title and abstract TBA


Neuroscience Brown Bag Series: Michael Harvey
February 5, 2015

Michael Harvey, Ph.D., Department of Neurological Surgery, Vanderbilt University school of Medicine

Thursday, 2/5/15

12:10 p.m.

Wilson Hall 316

Title & Abstract TBA


Clinical Science Brown Bag Series: C. Andre' Christie-Mizell
February 10, 2015

C. Andre' Christie-Mizell Ph.D., Department of Sociology. Vanderbilt University

Tuesday, 2/10/15

12:10pm

WH 316

Title and abstract TBA


CCN Brown Bag Series: Lewis Baker
February 11, 2015

Lewis Baker, Psychology and Human Development, Vanderbilt University

Wednesday, 2/11/15

12:10 p.m.

Wilson Hall 115

"Automatic visuospatial perspective taking in complex layouts"


Neuroscience Brown Bag Series
February 12, 2015

TBA

Thursday, 2/12/15

12:10 p.m.

Wilson Hall316


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