PSYC 4130 1nd Edition Lecture 1 Outline of Last Lecture I N A This is first lecture Outline of Current Lecture II Philosophical Foundations of Behavioral Neuroscience A Materialism B Dualism C Inferential and Materialistic a Hemi Neglect b Blindsight c Split Brain III Brief History of Physiological Psychology A 5th Century Hippocrates Aristotle B 2nd Century Galen C 17th Century Descartes Current Lecture Philosophical Foundations of Behavioral Neuroscience o Think about What makes you you Materialistic monism materialism o Holds that only matter energy exists o Everything that has happened since the big bang has been energy and motion plus nothing else o Proposes that all that exists is matter all that occurs anywhere in the universe is matter in motion i e moral decisions ethical issues faith religion the way you treat people product of brain and motion plus nothing else Dualism o More than one essence to the Cosmo and you body soul o The mind is what the brain does the mind and body are separate Aka mind and body aren t entirely the same thing Note Physiological psychology assumes materialism Inferential and Materialistic These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute o Careful observations e g of the effects of brain injuries experiments et cetera strengthened the materialistic perspective o The mind is what the brain does Hemi Neglect aka unilateral neglect Whose hand is this Guys shaves only right side of himself cant spontaneously direct attention to the left side of their reality vision or physical can t draw daisy petals on left side Blindsight No I don t see that stick you re pointing at me over there on my right Brain injury fall lessoning of visual cortex not aware that they went around the chair Absolutely blind but can still navigate space Vision involves more than just the occipital lobe Split Brain The right brain might know the answer but it s keeping the whole thing hush hush Severe corpus callosum video in class Joe o Flash picture to right of dot goes to left of brain o Pic to the left of dot goes to disconnected right half of the brain pick up pen and draw can draw it with left hand went to right side of brain Brief History of Physiological Psychology 5th Century BC o Hippocrates Controls sensations and perceptions thoughts emotions morality and behaviors Contemporary physician supports idea that role of brain is seat of our emotions o Aristotle It keeps the passions of the heart in check by cooling the blood Brain is the radiator of blood nd The 2 Century A D o Galen Physician to the gladiators who subscribed to Hippocrates view and extends it by adding evidence that traumatic brain injury often causes problems of sensation perception thinking and reasoning Galen calls Aristotle s understanding of the brain s function utterly absurd Why are all of the sensory nerves connected to the brain instead of to the heart 17th Century o Descartes French Philosopher and Mathematician Descartes I think therefore I am I know I exist because I m having experiences you I m not so sure about Says the universe was wound up by God but has since obeyed purely physical laws Psychophysical Parallelism aka Pre established Harmony Mental and physical realm are always on same page but playing out in separate dimensions
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