The Depression Center  
 
 

Depression Glossary

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GABA: gamma-aminobutyric acid.

GAD: generalized anxiety disorder.

Gambling: wagering or betting on games and events that are largely determined by chance.

Gamma-Aminobutyric Acid (GABA): The main inhibitory neurotransmitter of the nervous system.

General Adaptation Syndrome (GAS): a three stage model of the stress reaction that includes the alarm reaction, resistance, and exhaustion.

Generalization: the tendency of a learned response to one situation or object to transfer to other situations or objects.

Generalized Anxiety Disorder (GAD): an anxiety disorder characterized by chronic excessive and persistent worry about a number of issues such as family, health, or finances, when there is no obvious threat present.

Generalized Reinforcer: something (for example, money) that can influence a wide range of behaviors.

Gene: part of DNA that is responsible for the transmission of inherited characteristics.

Genetic Code: the way in which a cell's DNA controls the types of proteins that will be made by the cell.

Genetics: the branch of science concerned with the study of the inheritance of traits and characteristics and the mechanisms by which these processes occur.

Genotype: the genetic characteristics inherited by an individual.

GERD: gastroesphageal reflux disease

GI: gastrointestinal (stomach and gut)

Glucocorticoids: adrenocortical hormones involved in sugar metabolism that also have effects on tissue repair and resistance to disease. Includes hydrocortisone, corticosterone, and cortisone.

GP: general practitioner (family doctor)

Group Therapy: a format for psychotherapy in which a group of people share their thoughts, feelings, and experiences, often with the guidance of a group leader.