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Orbitofrontal cortex, part of the prefrontal cortex that shapes decision-making. In psychology, impulsivity (or impulsiveness) is a tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences. [1]
Impulse-control disorder (ICD) is a class of psychiatric disorders characterized by impulsivity – failure to resist a temptation, an urge, or an impulse; or having the inability to not speak on a thought.
Some individuals make very few errors, even when the match is difficult. Others may make numerous errors, even when the match is very simple. Those who respond rapidly and make many errors demonstrate an impulsive style, while those who respond slowly and make fewer errors demonstrate a reflective style.
This impulsivity is in contrast with dysfunctional impulsivity, which is a tendency to make quick decisions when it is not optimal. Although both types can be associated with inaccurate results, functional impulsivity is often considered a point of pride because it can help individuals take full advantage of opportunities.
Some in the field of developmental psychology think of self-control in a way that takes into account that sometimes impulsiveness is the more adaptive response. In their view, a normal individual should have the capacity to be either impulsive or controlled depending on which is the most adaptive.
Dysfunctional impulsivity is a type of impulsivity [vague] that is associated with a tendency to make quick decisions when this type of decision-making is non-optimal. This differs from functional impulsivity which is a tendency to make quick decisions where this is optimal.
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The Barratt Impulsiveness Scale (BIS) is a widely used measure of impulsiveness.It includes 30 items that are scored to yield six first-order factors (attention, motor, self-control, cognitive complexity, perseverance, and cognitive instability impulsiveness) and three second-order factors (attentional, motor, and non-planning impulsiveness).