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Lecture

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Department
Psychology
Course
PSY4105
Professor
Maria Rogers
Semester
Fall

Description
What is abnormal behaviour? • Statistically uncommon • Significant distress o If the person isn’t bothered by it it’s not necessarily a disorder • Impairment in social or occupational (school) functioning o Relationships  o Can they make age appropriate friendships o Can they keep up in school, etc o If it isn’t causing impairment we don’t consider it a disorder • Age, development and social situation are important to determining whether a behaviour, cognition,  emotion, or physical symptom is abnormal o Ex: if a two year old pretends to be an animal it’s okay, if a 7 year old does it’s not  appropriate  Case of Jason (4 years old) • Abnormal: rarely talking, lack of emotion, banging head against wall, rocking back and forth, not  active, hostile to other kids that try to touch him o Autism spectrum behaviours o Would need to know if he just experienced trauma, if he had oxygen deprivation at birth,  etc Case of Anne (14) • Hard to concentrate, can’t fall asleep, weight loss, irritable, guilt, no longer enjoys activity with  friends = impairment o Depression characteristics • Whether something is abnormal is not dependent on the cause o The DSM is explicitly atheretical • Multifinality: child abuse is linked with many different disorders. Ex: eating disorder, mood disorder,  conduct disorder, normal adjustment • Equalifinality : many different beggings can lead to the same out come. Ex: conduct disorder =  genetics, family characteristics, environment, etc • Kids grow out of some disorders ( nightmare disorder, enuresis = wetting the bed) • Some remain unchanged (some anxiety disorders) • Still others remain but with significantly altered symptoms(ADHD, depression) o Adhd more hyper when younger, as they grow older its more inattention Etiology • Factors that lead to the development of a disorder • In small number of cases the etiology is clear and simple  o Ex: PKU is something missing in genetics and you need to treat it young with the stuff you  eat • Most cases the causes are multiple and obscure • Researchers use theories of etiology to help explain disorders and to allow treatment to be  rationally… Major Theories of etiology • Biological o Main reason for behaviour is biology • Psychodynamic o Freud • Behavioural o Disorders are learned and can be unlearned through modelling and teaching • Cognitive o Have automa
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