Define the following terms: depersonalization, depression, echopraxia, thought blocking, thought withdrawal, substance dependence, catatonia, seizure, ambivalence.

Here are the answers to the questions:

87. An experience where the self is felt to be unreal, detached from reality or different in some way which can be triggered by tiredness, dissociative episodes is called depersonalization.
88. An affective disorder characterized by a profound and persistent sadness is called depression.
89. A movement disorder in which the person automatically and inappropriately imitates or mirrors the movements of another is known as echopraxia.
90. The unpleasant experience of having one's train of thought curtailed absolutely, often more a sign than a symptom is called thought blocking.
91. The experience of thoughts being removed or extracted from one's mind is called thought withdrawal.
92. An organism's psychological or physical dependence on a drug, characterized by tolerance and withdrawal symptoms when stopped abruptly is called substance dependence.
93. A state of particular muscular rigidity is called catatonia.
94. An abnormal, sudden excessive, uncontrolled electrical discharge of neurons within the brain that may result in alteration in consciousness, motor, or sensory ability and or behavior is called seizure.
95. When a client is passive and cannot stand on his/her words is the characteristic ambivalence.