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MESCALINE

was a hallucinogenic drug which was derived from the peyote cactus and was widely used by the indigenous peoples of

MESOSTRIATAL SYSTEM

are a network of neurons sensitive to dopamine which rise from the midbrain into the basal ganglia innervating them.

METABOLITE

an umbrella term used to describe a substance which is produce by the metabolism of another molecule.

METAMOTIVATION

are the motives behind character growth, character expression, maturation and general development. These factors operate on the self-actualization and transcendence

METHAQUALONE

is a drug which is used for its sedative and hypnotic effects on patients. It has a potency which is

METHOD OF LOCI

is a technique used to remember words which are converted into mental images and then associated with specific positions or

METHYLPHENIDATE

is a stimulating drug which is related to the amphetamine family of drugs, with a complementary mechanism of action. It

MICROGENETIC DEVELOPMENT

was first proposed by Lev Vygotsky which postulates the existence of a series of changes which occur over a relatively

MICROSMIA

describes a decreased ability to smell.

MIDDLE KNOWLEDGE

is a cognitive state which occurs to patients with a terminal illness where they actively recognize and realise their mortality.

MIILLER-URBAN WEIGHTING, UR

proposed by George Muller and Frank M. Urban.

MILITARY SERVICE

is a service entered into either by conscription or volunteer into the armed forces of a state.

MIMICRY

is the process of behaviours which appear in one species for their evolutionary benefits by allowing the species or organism

MINIATURE SYSTEM

is the integrated knowledge, which includes facts and assumptions about a small area of study, usually within a sub-strand of

MINIMUM VISIBLE

is the narrowest a visual stimuli can be before it becomes impossible to see.

MIRROR SIGN

was first theorised by Paul Abely in 1927 as a potential symptom of Schizophrenia where an individual will look at

MISOGAMY

describes an aversion to marriage.

MIXED CEREBRAL DOMINANCE

can result in speech disorders as a result of neither cerebral hemispheres clearly controlling their respective motor functions.

MMPI-A

an abbreviation used for the adolescent version of the Minnesota multi-phasic personality inventory.

MODEL PSYCHOSIS

was a technique used widely in the 1950s in which drugs were deliberately injected into animal subjects to induce psychotic