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INTCRTRIAL INTERVAL (ITI)

the term that is used to describe the time between successive presentations of the stimulus in a series of experimental

INTERGROUP DYNAMICS

The term describing the dynamic rather than static processes that influence the ever changing relationships between groups, including intergroup stereotyping,

INTERMITTENT EXPLOSIVE DISORDER

Impulse disorder with many episodes where a person will fail to resist any aggressive impulses and will commit acts of

INTERNAL VALIDITY

Degree to which a study or experiment is free from flaws in its internal structure and its results can therefore

INTEROCEPTION

the name that describes the input of information from interoceptors within the body from the viscera. Compare exteroception.

INTERPERSONAL LEARNING GROUP

the name that describes a group formed to help individuals extend their self-understanding and improve their relationships with others such

INTERRATER AGREEMENT

Degree that a group of raters will rate an attribute in the same way. Although often used synonymously with interrater

INTERTHALAMIC ADHESION

Gray matter that is a mass and extends in most individuals across the midline of the third ventricle of the

INTERVIEWER EFFECTS

An interviewers attributes and the influence and behaviours on the answers of a respondant. The appearance, demeanor, training, age, sex

INTRACRANIAL SELF-STIMULATION

Brain region and the stimulation by electrodes that are implanted and the individual controls them when they are stimulated. In

INTRAPSYCHIC CONFLICT

Opposing forces and the clash of them within the psyche, it is a psychoanalytic theory such as wishes, agencies or

INTROMISSION

Is putting or the act or sending in something especially the insertion of the penis into the vagina. See penetration.

INTUITIVE TYPE

A functional type characterised in Carl Jung's analytic psychology and is the ability to adapt, by means of unconscious indications

INVERSION 1

Cognitive development in Jean Piagets theory, see negation. In vision an image is formed on the retina and is reversed.

INVOLVED GRANDPARENT

A grandparent or type of who has a loving relationship or is warm with his or her grandchildren and takes

IPSILATERAL

On the same side of the body. Compare contralateral

IRRELEVANT LANGUAGE

Observed in some individuals with schizophrenia or autistic disorder. It is a language composed of sounds, phrases or words that

ISOLATED EXPLOSIVE DISORDER

An impulse-controlled disorder characterised by a single discrete episode in which the individual commits a violent catastrophic act such as

ISOTRETINOIN

an analog of vitamin A used for fighting acne, which is resistant to other therapies. Controversially the use of isotretinoin

INTERDENTAL

1. a term describing and denoting a speech sound made with the tongue placed between the upper and lower front