Glossary O

Observer influence refers to the tendency of participants to react to an observer"s presence by behaving in unusual ways

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Obsession is defined as recurrent intrusive thought or impulse the client seeks to suppress or neutralize while recognizing it is not imposed by outside forces. Obsession, moreover, is defined as an unwanted thought, word, phrase, or image that persistently and repeatedly comes into a person's mind and causes distress.

Obsessions refer to uncontrollable, pervasive, intruisve, irrational, persistent and recurring thoughts, images, ideas, or impulses that an individual feels intrude upon his or her consciousness and that cause significant anxiety or distress that interferes with his/her day to day functioning; persistent, intrusive, and irrational thoughts, ideas, impulses, or images that focus on improbable or unrealistic events or on real-life events that are greatly exaggerated.

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Deutsch: Zwanghaft / Español: Obsesivo Compulsivo / Português: Obsessivo Compulsivo / Français: Obsessionnel Compulsif / Italian: Ossessivo Compulsivo

Obsessive Compulsive in psychology refers to a condition characterized by persistent, intrusive thoughts (obsessions) and repetitive behaviors or mental acts (compulsions) that an individual feels driven to perform. This condition is commonly known as Obsessive-Compulsive Disorder (OCD).

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Obsessive reminiscence refers to a kind of reminiscence that suggests an inability to resolve or accept certain past events and a persistent guilt or despair over these events.

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Obsessive-compulsive disorder (OCD) refers to Anxiety disorder involving unwanted, persistent, intrusive thoughts and impulses, as well as repetitive actions intended to suppress them.

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Obsessive-compulsive personality disorder refers to Cluster C (anxious or fearful) personality disorder featuring a pervasive pattern of preoccupation with orderliness, perfectionism, and mental and interpersonal control at the expense of flexibility, openness, and efficiency.

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Obstructive hydrocephalus refers to a form of hydrocephalus produced by obstruction within the ventricular system of the brain. The obstruction can be a consequence of congenital malformation, tumors, or scarring. Obstructive hydrocephalus is also referred to as Noncommunicating hydrocephalus.