Psychiatry

Glossary of Mental Health Terms

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Glossary of Terms – I

To view this glossary simply click on the corresponding letter below.

Please note – this is not an exhaustive list, but includes some fo the terminology commonly used in the assessment and treatment of mental illness. The terms in this glossary were derived from the medical glossary of the Centre for Addiction and Mental Health and are used with the Centre's permission

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Incongruous affect – an inappropriate display of emotion, for instance, laughing when talking about sad events.

Insomnia – An inability to sleep, or sleep that is prematurely ended or interrupted by periods of wakefulness. A symptom of some anxiety and mood disorders.

Interpersonal therapy (IPT) – A psychotherapy that is based on the concept that depressive symptoms occur within the context of disturbed relationships. IPT helps patients understand their feelings and how their personal problems and conflicts relate to their depression.

Involuntary admission – An admission to hospital that takes place without the individual’s consent.

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