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Topic: decision accuracy

ePoster
2 ePosters

In Neuroscience

ePoster · Neuroscience

Motor cortex fine-tunes preparatory activity to cope with uncertainty

Soyoung Chae & Sung-Phil Kim · COSYNE 2023

Sun, Mar 12, 2023

Voluntary movement is often prepared by motor cortex before its execution. Motor cortical neurons exhibit preparatory-activity, a neural correlate of upcoming movement [1]. Animals adopt different behavioral strategies in response to uncertainties existing in nature such as environmental cue informing ‘go’ [2]. However, how motor cortical circuits cope with such uncertainty while benefiting from explicit information is less understood. Here, we analyzed firing activity of anterolateral motor cortex (ALM) while mice performed one of the two different auditory delayed-response tasks: random or f

ePoster · Neuroscience

Information correlations reduce the accuracy of pioneering normative decision makers

Zachary Kilpatrick, Megan Stickler, Bhargav Karamched, William Ott, Krešimir Josić · COSYNE 2023

Fri, Mar 10, 2023

Decision making is essential to cognition, often requiring the integration of sequences of observations over time. Choice rules trigger decisions once sufficient evidence is acquired for a choice. Models often describe single accumulation-to-bound processes, but organisms often decide in groups or accumulate multiple information streams. A better understanding of naturalistic decision making thus requires probing the neural computations and behaviors of evidence accumulation processes involving the integration of multiple information streams. Normative models of information-sharing in multi-ag