Altering risky decision-making: Influence of impulsivity on the neuromodulation of prefrontal cortex

摘要: The prefrontal cortex (PFC) subserves complex cognitive abilities, including risky decision-making; the modulation of this brain area is shown to alter way people take risks. Yet, neuromodulation PFC in relation risk-taking behavior remains relatively less well-studied. Moreover, psychological variables that influence such remain poorly understood. To address these issues, 16 participants took part 3 experimental sessions on separate days. They received: (i) left anodal-right cathodal transcranial direct current stimulation (tDCS); (ii) cathodal-right anodal stimulation; or (iii) sham while they completed two tasks. also measured several cognitive-affective abilities and personality traits. It was revealed led significantly reduced under a context haste. reduction (relative sham) correlated with state trait impulsivity, effect larger more impulsive individuals. For individuals, tDCS size considered be large (generalized partial η(2) > .17). prefrontal-neuromodulation reducing influenced by baseline reflecting state-dependent PFC. results study carry important insights into use higher cognition.