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PSYCH 309 - Lecture 1& 2 (Introduction and Mental Representation) - Sept 10.docx

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PSYC 309
Todd Handy

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PSYCH 309A – Cognitive Processes September 5 , 2013 – Lecture 1 – Introduction Definition: What are “Cognitive Processes?” • Parts, systems, and operations of mind • How we “represent” information in our minds o How information guides our thoughts and actions - Memory - Attention - Expressing emotion - Talking about knowledge they have/don’t have - Perception (what do you see in the world?) - Social interaction (how we think and understand things about people) - Executing decisions • 12 Multiple choice, 12 short answers (out of 14) • Mental Representation – emotion, neuropsychology, body understanding (spatial, etc) • Individual Cognition – purchasing decisions, etc • Social Cognition – thinking about others, picking up facial cues September 10, 2013 – Lecture 2 – Mental Representation Readings: New Tools to Help Patients Reclaim Damaged Senses http://www.nytimes.com/2004/11/23/science/23sens.html?_r=1& • Cheryl Schiltz – became a wobbler 7 years ago • Infection after surgery, antibiotic damaged vestibular system (visual and gravitational stability) • 3 years ago, experimental treatment – BrainPort, strip of tape on tongue, 144 microelectrodes • Sensory Substitution Devices – non-invasive; more mobile, less obtrusive (visual -> auditory/tactile) o Allow one set of sensory information to substitute for another in the brain • E.g. Braille – touch substitutes for vision • Vision: images retina  optic nerve  brain • Hearing: sounds  ear  patterns carried by auditory nerve  brain • Touch: nerve endings on skin  touch sensations  patterns carried to brain Mental Representation • In our minds/brains we represent information about ourselves and external environment o Anything we are aware of = representing information o E.g. sitting down = butt on chair • Different brain areas “represent” different kinds of information o Memory, language, vision (colour), sense of space, emotion, pain, sense of body, sense of self (understand yourself, where you’re from, etc) Basic Brain Anatomy • Gyrus – outer-fold • Sulcus – wrinkle inside Basic Split­Brain Experime
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