The Neurobiology of SU, Misuse, and Addiction Flashcards
As individuals continue to misuse alcohol or other substances, progressive changes, called ________ occur in the structure and function of the brain.
Neuroadaptations
The nucleus accumbens and dorsal striatum are 2 sub-regions of the __________ _________.
Basal ganglia
Which is the process by which presentation of a stimulus such as a drug increases the probability of a response like drug taking?
Positive Reinforcement
A person learns to associate the stimuli present while using a substance. Over time, these stimuli can activate the dopamine system on their own and trigger powerful urges to take the substance. These “wanting” urges are called ______ _______.
Incentive Salience
Habit formation involves the release of -
Dopamine and Glutamate
Craving involves the _______ ______.
Prefrontal Cortex
To help explain how the prefrontal cortex is involved in addiction, some scientists divide the functions of this brain region into a _____ and ______ system.
Go, Stop
Studies show that diminished prefrontal cortex control over the extended amygdala is particularly prominent in humans with ______.
PTSD
Clinical reports suggest that women who use cocaine, opioids, or alcohol progress from initial use to a disorder at a faster rate than do men - a phenomenon called ________.
Telescoping