Textbook Notes (280,000)
CA (170,000)
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Psychology (10,000)
PSYA01H3 (1,000)

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Steve Joordens

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Psychology: The Science of Behaviour
Areas of psychological research:
Physiological psychology - studies physiological basis of behaviour
oLearning, memory, sensory process, emotional behaviour, motivation,
sexual behaviour, sleep
oAll observed in non-human animals
Comparative psychology - studies behaviour of a variety of organisms in an
attempt to understand adaptive and functional significance of behaviour and
their relationship in evolution
oInherited behaviour patterns – courting, mating, predation, aggression,
defensive behaviours, and parental behaviours
Behaviour analysts – studies effect of environment on behaviour – effects of
consequences of behaviour on behaviour themselves
Behaviour genetics – studies role of genetics in behaviour
oExamine similarities in physical and behavioural characteristics of blood
Cognitive psychology – studies complex behaviours and mental processes
such as perception, attention, learning and memory, verbal behaviour,
concept formation, and problem solving
oEvents that cause behaviour consist of functions of brain in response to
environmental factors
oExplanations involve characteristics of inferred mental process such as
imagery, attention, and mechanisms of language
Cognitive neuroscience – attempts to understand cognitive psychological
functions by studying brain mechanisms that are responsible for them
(cognitive psychology + physiological psychology)
oStudy people whose brains have been damaged by natural causes –
disease, stroke, tumors
Developmental psychology – studies changes in behavioural, perceptual, and
cognitive capacities of organisms as a function of age and experience
oStudy causal events that are as comprehensive as all of psychology –
physiological processes, cognitive processes, and social influences
Social psychology – study of effects people have on each other’s behaviour
oExplore perception, cause-and-effect relationships, group dynamics, and
emotional behaviours (agressions, sexual behaviour)
Personality psychology – attempts to categorize and understand causes of
individual differences in patterns of behaviour
oLook for causal events in person’s history – genetic and environmental
Evolutionary psychology – explains behaviour in terms of adaptive
advantages that specific behaviours provided during evolution of a species
(use natural selection as guiding principle)
oInterested in studies of behavioural genetics and comparative psychology
Cross-cultural psychology – studies effects of culture on behaviour
Clinical psychology – devoted to investigation and treatment of abnormal
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behaviour and mental disorders
Fields of applied psychology:
Clinical neuropsychologists – specializes in the identification and treatment of
behavioural consequences of nervous system disorders and injuries
Health psychologists – works to promote behaviours and lifestyles that
improve and maintain health and illness
Engineering psychologists (ergonomists or human factors psychologists) –
focus on the ways that people and machines work together
oUse knowledge of behaviour and its causes to help designers and
engineers design better machines
Forensic psychologists – advise members of legal and justice systems with
respect to psychological knowledge
Philosophical roots of psychology
Animism (animare – to quicken, enliven, endow with breath or soul) – belief
that all animals and all moving objects possess spirits providing their motive
Psychology as a science is based on assumption that behaviour is subject to
physical laws
Rene Descartes ( 17th century French philosopher and mathematician) -
advocated sober, impersonal investigation of natural phenomena using
sensory experience and human reasoning
oWorld is mechanical entity set in motion by god but runs on its own
oTo understand world one must understand how it was constructed –
opposes church’s belief that purpose of philosophy was to reconcile
human experience with truth of god’s revelation
oLiving things were machines affected by natural causes and producing
natural effects
oReflexes - automatic response to stimulus not using mind
oDualism – belief that reality consists of mind and matter with a causal link
between mind and physical housing (unique)
Extended things – physical bodies
Thinking things - minds
oHumans are set apart b/c they possess a mind which is not part of natural
world and therefore obeys different laws
oMind controlled movements of body and body supplied mind with info
about environment (through organs)
Took place in pineal body – small organ on top of brain stem
buried beneath large cerebral hemispheres
Pineal body tilted causing flow of fluid to proper set of nerves and
initiated muscles to inflate and move
Moving statues in Royal Garden served as inspiration
First to use technological device as model of nervous system
John Locke (17th century philosopher) – replaced Descarte’s rationalism
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