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Lecture

COgnitive processing.docx

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Department
Psychology
Course
PSYC 309
Professor
Michael Souza
Semester
Winter

Description
Locked in syndrome:  Severe brain stem damage, completely conscious but you can’t move anything except your eyes.  Improving athletic performance: maybe mental practice and visualizing that you can do something can improve performance.  Its often the case that there is sudden decline with age that affects memory. This is normal products of aging.  Learning how to speed people along. Some ppl have a better memory that somebody else. But what about the people that are struggling, maybe we can build things that can help with these. Cognitive psyc:  3 steps for psyc: o Absorning: taking info in o Processing: recognize objects and use mental computations to make decisions o Responding: make a decision and take a course of action  The big challenge: o Stimulus to brain. Brian to response Method of inquiry:  Introspection looks inside ourselves. Active process to try to understand how a mental process happens.  What’s that cascade of events that happened that allows this to occur.  Limitions: o difficult to verify someone else’s report o not always aware o end product of the process and not only the process itself.  Another way to look at this is behaviorism. Studying the mind is hard, what we can study is the stimulus and response that occurs. The reaction is what is important, but not the middle process.  The mind is unobservable  Behaviors can account for creativity and the learning of language.  Limiting science to only the observable is a bad idea. Its important to look at people’s behavior but not thinking about the middle step is not good.  Cognativism o The brain is the hardware and the mind is the software. o Input(sensory) o Processes (computations) o Output  Cybernetics: the idea of creating a neural network to understand a system. It tries to capture how the mind works. It’s a computer model that captures the complexity of how we process the information.  Theory of comutation: when involves with computers, can take a big math problem and solve it within seconds.  SNARC- artificial neural network: Current approach:  All these mental processes, how are they happening in the brain, how are different regions hooked up and how they talk to each other. – physiology In search of the mind:  First thought that the heart gives rise to the mind. This was obviously wrong. It seems to be the brain.  When ppl damage different parts of the brain, different problems came about. He made a link looking at a brain injury.  Descartes: o His approach was through rationalism. o Reflexes: important for neurological and motor health. For a reflex in the knee, the signal goes from knee to spine to knee. With reflexes, you don’t need the pain. The brain can put the brake on reflexes. o Disconnecting brain from spine, the reflex is stronger. Descartes was wrong o The idea of dualism: the relationship between the brain and the mind. o Monoism: the brain gives rise to the mind, what the brain does is what the mind is.  The pineal gland: tiny gland in the brain, the only place in the brain that isn’t on both sides. Important for the day night cycle. Hoe Is the brain organized:  Materialism: o Same as monoism: the entire brain works together and there is no specialization. o Gall: phrenology  Felt the skull and thought that if certain brain regions are more developed, then its more specialized that the others.  Localization of function: one way to study how the different parts of the brain is functioning is by seeing the change after that part is injured.  The father of neuropsychology is ALEXANDER LURIA  he thought of networks. A better way of thinking abut thins is that there is lots of regions working together to support language.  He cautioned us to not create maps of the brain to where this chunk does this and that.  The man with a shattered world. By oliver sacks Paul Broca:  Tom’s brain had a lesion to the left frontal lobe. Carl Wernicke  Speak but could not understand  Hm a boy that had cronic seizures that resulted in medical issues. The seizures were so severe that he couldn’t function. Removed the hippocampus, could not create new memories- anterograde amnesia.  The hippocampus plays a role in the medial temporal lobe.  The corpus callosum is what co
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