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BIOL164Ch9NotesWin12

BIOL164Ch9NotesWin12 - Ch 9 Sensory Systems Sensation =...

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1 Ch. 9 – Sensory Systems Sensation = information about environmental conditions (inside or outside of the body) is detected and sent to the CNS – Vs. perception = when sensation reaches conscious awareness (only ~ 1% of all sensations are perceived!) The steps of sensation and perception Figure 9.1
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