Response Inhibition

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Response Inhibition

Basic Characteristics

  • Description

Response inhibition plays a large role in executive functioning and is linked to impulsivity. Essentially response inhibition is the suppression of actions that are inappropriate in a given context and that interfere with goal-driven behavior. Cognitive and behavioral tasks which asses inhibition involve the with-holding of responding, delayed responding, cessastion of ongoing responses, and resisting distraction or disruption by competing events. Stop tasks are the most common measure of response inhibtion and gauge the speed and behavioral inhibitory (stopping) processes and the ability to effectively trigger inhibitory processes. Response inhibiton is considered a key neurocognitive deficit of Schizophrenia and Attention Deficit Hyperactivity Disorder. Evidence of impairments in the triggering of inhibitory processes has been found in the dorsal and ventral prefrontal regions of the brain as well as the right inferior frontal gyrus. Executive control processes and frontal subcortical circuits are considered critical to response inhibition.

  • History
  • References

Enticott et. al (2008) Response Inhibition and Impulsivity in Schizophrenia: PMID 17916385

Mostofsky and Simmonds (2008) Response inhibition and response selection: two sides of the same coin. PMID 18201122

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