THE BRAIN- starting off
THE BRAIN- starting off PSYCH 1101
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This 1 page Class Notes was uploaded by Chandler Notetaker on Sunday September 11, 2016. The Class Notes belongs to PSYCH 1101 at Cornell University taught by Pizarro, D in Fall 2016. Since its upload, it has received 24 views. For similar materials see Introduction to Psychology in Psychology at Cornell University.
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Date Created: 09/11/16
9/7/16: THE BRAIN PART 2 I. How does the Brain Work? (Neurons and Transmitters) A. Dendrites catch neurotransmitter chemical cause chemical and electrical change B. Neurotransmitters Chemical messengers send fluid (chemical signals) that can communicate with other neurotransmitters whether or not the response is excitatory (continue) or inhibitory(stop) C. II. How can a bunch of brain cells working together make me? (Douglas R. Hostander) A. Human mind could be replicated in several Every chapter begins with a dialogue 1. Artificial minds (need to know basic principles) 2. Neurons have a critical threshold in order to fire off B. Brain mapping: track blood flow in order to track activity 1. Temporal cortex: hearing 2. Neocortex: processing unit 3. Neurons are no uniformly distributed 4. 25000 genes on the DNA (Rna is the readout of the genes) C. Diffusion tensor imaging mapping the outline of the inside of the brain D. Proteins are targets for drugs 1. Proteins can have similar fingerprints that can identify them 2. Our genomes are almost very identical (90% correspondence) 3. We are quite similar at the brain level E. Neurotransmitter 1. (play the role in telling you to stop or go) F. A few kind of neurotransmitters 1. Acetylcholine: Muscle movement, memory, arousal, attention, mood 2. Dopamine: excitatory and inhibitory effects: ex(reward system) a) Important for reinforcement learning b) Implicated in pleasure and reward
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