Electrophysiological markers of the motivational salience of delay imposition and escape

Neuropsychologia
Samantha J BroydEdmund J S Sonuga-Barke

Abstract

The ubiquitous tendency to choose immediate over delayed rewards can, in extremis, lead to maladaptive preferences for smaller sooner over larger later rewards (i.e., impulsive choice) in certain pathological groups. The delay aversion hypothesis provides one possible account of impulsive choice and argues that this tendency is motivated by the avoidance of the negative affective states associated with delay imposed prior to the delivery of a large reward. This model also predicts that on non-choice tasks individuals will be motivated to work harder and more efficiently, when given the opportunity to avoid delay. In the current paper we studied the neural markers of the motivational salience of the imposition and escape from delay using a simple reaction time task under two conditions: First where fast responses were expected to lead to delay escape and second where delay was inescapable. Forty participants performed the Escape Delay Incentive (EDI) task during which they were asked to respond as quickly as they could to a target stimulus. The EDI task included two conditions: first, a Delay Escape condition where fast responses led to the avoidance of delay and a Delay No-Escape condition in which a delay was presented on ever...Continue Reading

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Citations

Jan 26, 2013·Psychiatry Research·Anouk ScheresAllison Lee Thoeny
Aug 15, 2014·Journal of Child Psychology and Psychiatry, and Allied Disciplines·Georgia ChronakiEdmund J S Sonuga-Barke
Feb 16, 2015·Developmental Cognitive Neuroscience·Chia-Fen HsuEdmund J S Sonuga-Barke
Mar 15, 2018·Frontiers in Human Neuroscience·Sarah K MesrobianAlessandra Lintas
Jan 2, 2021·Scientific Reports·Kirsten HilgerChristian J Fiebach

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