Impulsivity Flashcards
Predisposition toward rapid, unplanned reactions to internal/external stimuli without regard to negative consequences to themselves, others
Impulsivity
Impulsivity in the PFC may be related to
Cortical development (grey matter), Pruning, Myelination (white matter)
PFC primary motor cortex connects to…
putamen
Dorsolateral PFC connects to…
anterior caudate
PFC limbic loop connects to…
ventral striatum
Which area of the PFC was affected in “Gage” patient?
Ventromedial PFC
What area of the PFC is associated with maintaining/updating stimulus/reward associations?
VentromedialPFC
What area of the PFC is associated with representation of reward value?
VentromedialPFC
What area of the PFC is associated with working memory?
DorsolateralPFC
What area of the PFC is associated with executive function?
DorsolateralPFC
What PFC process is associated with an increased working memory load?
Substance abuse
What can be done to reduce impulsivity and modify drug craving?
Repetitive transcranial magnetic stimulation (rTMS of dlPFC)
