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UNIT 3 THE CONSCIOUS SELF
AREA OF STUDY 1: MIND, BRAIN & BODY
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STUDIES ON COGNITIVE PROCESSES OF THE BRAIN
Examining studies of individuals with damage to particular areas of their brain, and the resulting affect on behaviour is important in revealing a great deal about brain structure and function STUDIES OF APHASIA BROCA’S APHASIA WERNICKE’S APHASIA SPATIAL NEGLECT SPLIT-BRAIN STUDIES KK 6 – PAGE
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STUDIES OF APHASIA FLUENT APHASIAS NON-FLUENT APHASIAS PURE APHASIAS
APHASIA = a language disorder apparent in speech (comprehension or production), writing or reading caused by injury to brain areas specialised for these functions FLUENT APHASIAS Speech is fluent but there are difficulties in either auditory verbal comprehension NON-FLUENT APHASIAS Difficulties in articulating but auditory comprehension is good PURE APHASIAS Specific impairments in reading, writing or the recognition of words KK 6A – PAGE 198
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STUDIES OF APHASIA BROCA’S APHASIA
Also known as Non-fluent aphasia Expressive aphasia Motor aphasia A person has difficulty speaking, although they continue to understand speech Speech consists of very short sentences (3 or 4 words) and are usually only verbs and nouns (eg. “went home, visit brother”) Speech comprehension can be affected as well (eg. the boy hugged the girl vs. the boy was hugged by the girl) Usually aware of their own language difficulties SEE BOX 4.7 (pg.199) KK 6A – PAGE
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STUDIES OF APHASIA WERNICKE’S APHASIA
Also known as Fluent aphasia Sensory aphasia Receptive aphasia A person has difficulty comprehending speech and speaking in a meaningful way They have fluent, grammatically correct language but what they say is nonsense (eg. I used to be able to work cigarettes. I don’t know how, things I couldn’t hear from are here) Little or no awareness of their condition KK 6A – PAGE
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HOMEWORK LEARNING ACTIVITY 4.13 (pg.200)
KK 6A – LEARNING ACTIVITY 4.13 (PAGE 200)
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SPATIAL NEGLECT An attentional disorder whereby Individuals fail to notice anything either on their left or right side KK 6B – PAGE 204
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SPATIAL NEGLECT Also known as: Hemineglect Hemispatial neglect
Neglect syndrome Contralateral neglect Unilateral neglect Usually as a result of extensive damage to the rear area of the parietal lobe of the right hemisphere These people will neglect the left side of their world (This can happen to the left hemisphere, and people will neglect the right side of their world but this is rare) Can also happen to other sensory information (eg. auditory, movement) KK 6B – PAGE 204
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LANGUAGE CENTERS ARE ON THE LEFT
SPLIT-BRAIN STUDIES Involves surgically cutting the corpus callosum thereby disconnecting one hemisphere of the brain from the other Roger Sperry (1968) Cannot name object flashed on left Can name object flashed on right LANGUAGE CENTERS ARE ON THE LEFT Can identify object flashed on left with their left hand but not with right hand Can identify object flashed on right with their right hand but not with left hand KK 6C – PAGE
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HOMEWORK LEARNING ACTIVITY 4.16 (pg.208)
KK 6C – LEARNING ACTIVITY 4.16 (PAGE 208)
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ETHICAL PRINCIPLES IN BRAIN RESEARCH
Planning of any research must be consistent with the National Statement on Ethical Conduct in Human Research and include ethical values such as Integrity Respect for Persons Beneficence Justice Is the research worthwhile? Protection and Respect of Rights PAGE
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HOMEWORK LEARNING ACTIVITY 4.17 (pg.213)
LEARNING ACTIVITY 4.17 (PAGE 213)
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CHAPTER 4 CHAPTER 4 – TRUE OR FALSE QUIZ (pg.214)
CHAPTER 4 – MULTIPLE CHOICE TEST (pg ) CHAPTER 4 – SHORT ANSWER TEST (pg ) CHAPTER 4 – TRUE OR FALSE QUIZ (PAGE 214) CHAPTER 4 – MULTIPLE CHOICE TEST (PAGE ) CHAPTER 4 – SHORT ANSWER TEST (PAGE )
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