Glossary P

Posttraumatic Stress Disorder (PTSD) is defined as Anxiety disorder which is characterized by the following:

(1) repeated mental images of experiencing a traumatic event;.

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Postvention refers to after-the-fact interventions for individuals affected by traumatic loss

Potentiation refers to the combination of the effects of two (2) or more psychoactive substances such that the total effect is greater than the effect of either substance alone.

Potvaliant also spelled Pot-valiant means showing courage under the influence of drink. Courage under the influence of drink is also known as Dutch courage. The term is from pot - a drinking vessel and valiant courageous

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Poverty is generally and commonly defined as the condition of having little money and few material possessions. Since poverty is defined at the family level and not the household level, the poverty status of the household is determined by the poverty status of the householder.

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- Poverty of stimulus argument / Poverty of the stimulus argument : Poverty of stimulus argument refers to the argument made by followers of Nativism that the environmental input presented to children is too weak and degenerate to account for the child's language acquisition. Poverty of stimulus argument claimed that children do not hear many examples of some of the grammatical structures they acquire and therefore that they could not learn them

Power bases is defined as sources of social power in a group, which includes one’s degree of control over rewards and punishment, authority in the group, attractiveness, expertise, and access to and control over information needed by group members.

Power intervention means empowering clients that may occur during the course of therapeutic discussion. Usually encouragement and reinforcement are ways to help clients become more powerful.