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Chapter 21

PSYB45 - Chapter 21.docx

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University of Toronto Scarborough
Zachariah Campbell

Behavior Modification: Principles and Procedures Chapter 21 – Habit Reversal Procedures  Habit reversal procedures are used to decrease the frequency of undesirable habit behaviors o Habit behaviors often do not interfere to any great extent with the person’s social functioning; they tend to be more of an annoyance to the person or to significant others in the person’s life  When the habit behavior occurs frequently or with high intensity, the person may seek treatment for the problem; the habit behavior may be seen as a habit disorder  Three types of habit behaviors: nervous habits, motor tics and stuttering  Nervous habit involve repetitive, manipulative behaviors that are believed to be most likely to occur when the person experiences heightened nerve tension (ex., nail biting or beard stroking)  Motor tics are repetitive, jerking movements of a particular muscle group in the body (ex., forceful blinking or head snapping)  Vocal tic is a repetitive vocal sound that does not serve a social function (ex., throat clearing or coughing)  Tourette’s disorder is a tic disorder involving multiple motor and vocal tics; believed to be causes by complex interaction of genetic and neurobiological factors, as well as environmental events  Stuttering is a type of speech dysfluency in which the person repeats words or syllables, prolongs the sound of a word or syllable, or blocks on a word (makes no sound for a period of time while trying to say a word)  Azrin and Nunn developed a treatment program for eliminating nervous habits and tics, they called it habit reversal o The habit reversal is implemented in a therapy session with the client who exhibits the habit disorder, the client then implements the procedures that a
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