Glossary O

Opportunity structure refers to a path to success. There are two (2) types of opportunity structures legitimate and illegitimate

Opposition maybe defined as the diagonal movement of the thumb across the palmar surface of the hand to make contact with the fingers.

Opposition principle refers to Jung's idea that conflict between opposing processes or tendencies is necessary to generate psychic energy.

Deutsch: Oppositionales Trotzverhalten / Español: Trastorno negativista desafiante / Português: Transtorno desafiador de oposição / Français: Trouble oppositionnel avec provocation / Italiano: Disturbo oppositivo provocatorio

Oppositional Defiant Disorder (ODD) refers to a pattern of negativistic, hostile, and defiant behavior. It is a psychological condition typically diagnosed in childhood, characterised by a persistent pattern of hostile, disobedient, and defiant behaviours toward authority figures. Children and adolescents with ODD frequently exhibit anger, irritability, argumentative behaviour, and vindictiveness, which interfere with their daily functioning at home, in school, or in social situations. The disorder is more prevalent in boys during early childhood but tends to equalise between genders in adolescence.

Opsin refers to the protein part of the visual pigment molecule, to which the light-sensitive retinal molecule is attached.

Optic array refers to the structured pattern of light created by the presence of objects, surfaces, and textures in the environment.

Optic ataxia refers to impaired visual control of the arm in reaching out to a visual target.

Optic chiasm refers to the point at which parts of the optic nerves cross from one side of the brain to the other.

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Glossary O

Glossary O

Opportunity structure

Opposition

Opposition principle

Oppositional Defiant Disorder

Opsin

Optic array

Optic ataxia

Optic chiasm

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