Saturday, January 05, 2008

Impulsivity and time perception

An interesting "in press" article (Trends in Cognitive Sciences; Willmann & Paulus) that links the pacemaker accumulator model (PAM) of mental time-keeping and impulsivity and decision making.

The bottom line is that individuals that focus more attentional resources on time ("watching the clock") and/or who may be in increased arousal states (due to emotional distress), experience time differently. Such individuals overestimate time durations, and thus have a harder time waiting for rewards or delaying gratification needs. According to the author's modification of the predominant PAM model (see addition of "mood states" oval in figure above), the pacemaker of impulsive individuals may run at a higher clock speed, due to increased arousal or attention.

Interesting hypothesis and expansion of the PAM.

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1 comment:

Anonymous said...

Individuals with Sensory Processing Disorder are often in an 'increased arousal state' due to over-responsivity to tactile, vestibular, proprioceptive, and/or auditory stimulation. They do have difficulty perceiving temporal information, delaying gratification, focusing attention, and self-regulating in general. Incidentally, the Interactive Metronome has been clinically beneficial to this wonder. - Amy Vega, MS, CCC-SLP, IM Clin Ed Director