PSYB65H3 Lecture Notes - Lecture 1: Synesthesia, Optic Chiasm, Grey Matter
5 Jan 2015
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*limited app. to learning about brain-behav. relationship; modular networks span a/c lobes. *bones that lie over lobes used to name brain lobes. Respond to narrow bands of energy depending on what they"re sensitive too. Bumblebees can use uv rays to id flowers; human"s is limited. Exteroceptive: back of ocular orbit, retina; interoceptive: proprieception (receptors in muscles making you aware of if muscles are flexed or not), vestibular (aware of the orientation of our head with respect to gravity) *optic flow - sprinting/running fast and info going past you we"ve adapted ourselves to dissoc. f/ this info. *aud. flow - changes in intensity of sound b/c of bar changes in location. Higher density of sensory receptions leads to increased sensitivity e. g. if you pinch with caliber has a hard time feeling our backs - sensitivity of ns oriented w/ functional requ. (need hands more than back) Trig. behav. activat. and emot. responses (periaq. gray matter)
