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Lecture 1

PSYCH 3B03 Lecture Notes - Lecture 1: Echolalia, Dsm-5, Specific Developmental DisorderPremium

3 pages114 viewsFall 2018

Course Code
Vivian Lee

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September 4/2018
Lecture 1 Foundations
Defining and Identifying Abnormality
- What is abnormal behaviour/behavioural problems?
o Abnormal Behaviour
o Behavioural Disturbance
o Emotional Disorders
o Psychological Deficit
o Mental Illness
o Psychopathology
o Maladaptive Behaviour
o Developmental Disorder
- Diagnostic Systems
o Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition
o The ICD-10 Classification of Mental and Behavioural Disorders
o Systems have been devised to categorize behaviour problems; and to provide
guidelines for identification, diagnosis, and treatment
- When do we consider behaviour abnormal?
o These systems examine a range of behaviours
o Extremes:
A child fails to acquire receptive and expression language by 6 years of
A 14-year-old boy believes that aliens are controlling his thoughts and
A 10-year-old boy who will not leave the house without turning all the
light switches on/off 3 times each
o Subtle
A child who is running around, flitting from one activity to another,
yelling with excitement, and cannot settle
A child playing at recess? A 10-year-old during class?
A child who is exceptionally sullen, is social withdrawn, and quick to tears
A child who just lost his pet?
A child with little use, generates nonsense words, and seems echolalic?
A 15-month-old infant or a 14-year-old boy?
- How do we determine that behaviour is abnormal?
o We consider the following
Behaviours that are not just atypical but harmful
Behaviours that are developmentally inappropriate
Cultural norms, gender norms, situational norms
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