Neural Mechanisms Behind Identification of Leptokurtic Noise and Adaptive Behavioral Response
Mathieu d'Acremont, Peter Bossaerts
CEREBRAL CORTEX | OXFORD UNIV PRESS INC | Published : 2016
Large-scale human interaction through, for example, financial markets causes ceaseless random changes in outcome variability, producing frequent and salient outliers that render the outcome distribution more peaked than the Gaussian distribution, and with longer tails. Here, we study how humans cope with this evolutionary novel leptokurtic noise, focusing on the neurobiological mechanisms that allow the brain, 1) to recognize the outliers as noise and 2) to regulate the control necessary for adaptive response. We used functional magnetic resonance imaging, while participants tracked a target whose movements were affected by leptokurtic noise. After initial overreaction and insufficient subse..View full abstract
Awarded by US National Science Foundation
This work was supported by the Ronald And Maxine Linde Institute for Economic and Management Sciences at the California Institute of Technology and through US National Science Foundation (grant SES-1061824). Funding to pay the Open Access publication charges for this article was provided by The University of Melbourne.