Abstinence
Abuse
Addiction
Addicts
Alcohol
Alcohol abstinence
Alcohol abuse
Alcohol addiction
Alcoholism
APA
Attention
Attentional variables
Beta-endorphin
Biofeedback
Brain
Cocaine
Cocaine addiction
Control
Controlled study
Controls
Crack Cocaine
crack cocaine dependency
Dependency
Drug abuse
Drig use and MMPI
EEG
EEG biofeedback protocol
effort
Electroencephalography
Experimental Subjects
Impulsivity
Mean
MMPI
MMPI 2
MMPI-2
Neurofeedback
Patients
Personality
Personality variables
Research
Subjects
Treatment
Treatment outcome