psych106-6

psych106-6 - Lecture 6: (Jan 26th) METHODS OF INVESTIGATION...

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Lecture 6: (Jan 26 th ) METHODS OF INVESTIGATION Lecture Outline 1) History of Studying How the Brain Works 2) Neuroscience Methods - Neuroanatomy/Neurochemistry - Neural Function - Perceptual Experiments 3) Neural Function Imaging Techniques in Humans 4) EXAM #1, Feb 2 nd (Lectures 1 – 7) REVIEW SESSION FOR EXAM #1: XXX
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History of Studying How the Brain Works Is the brain just “mush” or is it functionally organized? Modularity : different brain areas subserve different functions (last lecture) Phrenology (Franz Gall, 1800’s) Clinical Evidence from Strokes (Lesions) in Humans (Paul Broca, Carl Wernicke, mid 1800’s): Certain strokes lead to speci±c language problems, i.e., APHASIA left hemisphere = language comprehension and production right hemisphere = “prosody”
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in Humans (Penfeld, 1950’s) * Motor Cortex * Medial Temporal Areas -> Memories …. controversial? Hey, “electrodes” are used For 3 diFFerent purposes: 1) Stimulate part oF the brain (causal, correlational or necessary)? 2) Lesion part oF the brain: electrolytic, chemical or suction 3) Record action potentials From part oF the brain (causal, correlational or necessary)? (causal, correlational or necessary)?
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psych106-6 - Lecture 6: (Jan 26th) METHODS OF INVESTIGATION...

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