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GLUTAMATE

The salt or ester of amino acid glutamic acid serving as the predominant excitatory neurotransmitter in the brain. Glutamate plays…

GOAL RESPONSE

1. Hull's mathematical deduction theory of learning. Unconditioned response to a goal stimulus. 2. Final response in a behaviour chain…

GOLGI APPARATUS

the irregular network of membranes and vesicles within a cell that is responsible for modifying, sorting and packaging proteins produced…

GOOD CONTINUATION

the term that is used to describe the principle of perception where the perceived line tends to maintain its direction.…

GRAAFIAN FOLLICLE

a small pouch like cavity in an ovary where the ovum develops. The follicle will rupture and release an ovum…

GRADUATE RECORD EXAMINATIONS (GRE)

a collection of aptitude tests used in the graduate school admissions process to make decisions regarding applicants. A general test…

GRAPHEME

The minimal meaningful unit in the writing system of language. It is usually a letter or fixed combination of letters…

GRAY COMMISSURE

Bundle of nerve fibres that surrounds the central canal of the spinal cord and connects the anterior and dorsal horns…

GRIEVANCE

1. Feeling of resentment from being unjustly treated. 2. Industrial and organisational psychology. Complaint of an employee that is in…

GROUP BOUNDARY

Implicit and explicit standards setting limits on aspects of the group including who can join, expected duties of members and…

GROUP IDENTIFICATION

1. Process of identifying with a group that a person imitates its features and objectives. Enhances group pride but reduces…

GROUP RISK TAKING

the term used to describe the embarking on a hazardous or uncertain course of action for the group. Group decisions…

GROUPTHINK

An agreeing seeking tendency interfering with group decision making. Includes apparent conformity, being invulnerable, moral correctness and biased group perceptions.…

GUARANA

the name of a shrub called Paullinia cupana that is indigenous to the Brazilian Amazon.

GUILLAIN-BARRE SYNDROME

the name for an acute and progressive peripheral neuropathy where nerves lose their myelin sheaths. Starts with loss of normal…

GUT HORMONE

the term applied to any hormone that is released by the stomach or intestines that is sometimes in a response…

GABA ANTAGONISTS

These are the compounds that inhibit GABA receptor sites and GABA action. They can be direct and indirect. Best known…

GALTON'S QUESTIONARY

These are the set of questions by Francis Galton out to 200 men of science in Britain. They were asked…

GAMMA-AMINOBUTYRIC ACID (GABA)

Major inhibitory neurotransmitter in the mammalian nervous system and found widely distributed in both invertebrate and vertebrate nervous systems. It…

GAS CHROMATOGRAPHY

a method of chemical analysis used to separate and identify the components of a mixture. A substance is placed in…