Place theory

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Frequency theory The lowest pitches arent well
accounted for by place theory. Instead, the
vibration of the entire basilar membrane appears
responsible for low pitch signals
Place theory Accounts for high pitches
Volley Principle Neurons can only fire 1000
times per second (1000 Hz), so groups fire in
sequence. Accounts for intermediate pitches.
17,000 Hz
16,000 Hz
15,000 Hz
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Touch Pain
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Proprioception(Muscle Sense)
Touch
Sharp pain, cold, warmth
Dull pain, warmth, itch
Mild pain glutamate Strong pain glutamate and
substance P
http//faculty.washington.edu/chudler/cv.html
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Taste
WRONG
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Synesthesia
Area V4 (some color processing)
Grapheme processing
Ramachandran, V. S. E. M. Hubbard (2001),
"Synaesthesia A window into perception, thought
and language", Journal of Consciousness Studies
8 (12) 3-34, lthttp//psy.ucsd.edu/edhubbard/pape
rs/JCS.pdfgt
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Immediate danger
2 hours
Less than 8 hours
More than 8 hours
Some danger if continuous
Whats a decibel?
Box source Myers, 2007 Danger Source Klein
Thorne (2007) Biopsychology
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