lecture 9 (8) - Neurotransmitters...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Neurotransmitters Attention-deficit/hyperactivity disorder People affected by attention-deficit/hyperactivity disorder (ADHD) experience difficulties in the areas of attention, overactivity, impulse control, and distractibility. Research shows that dopamine and norepinephrine imbalances are strongly implicated in causing ADHD. Others Substantial research evidence also suggests a correlation of neurotransmitter imbalance with disorders such as borderline personality disorders , schizotypal personality disorder , avoidant personality disorder , social phobia , histrionic personality disorder , and somatization disorder . Drug addictions Cocaine and crack cocaine are psychostimulants that affect neurons containing dopamine in the areas of the brain known as the limbic and frontal cortex. When cocaine is used, it generates a feeling of confidence and power. However, when large amounts are taken, people "crash" and suffer from physical and emotional exhaustion as well as depression. Opiates, such as heroin and morphine, appear to mimic naturally occurring peptide substances in
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/28/2012 for the course PSY PSY2012 taught by Professor Scheff during the Fall '09 term at Broward College.

Ask a homework question - tutors are online