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Vibration reception by the fiddler crab, Uca minax
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Salmon, M, Horch, K. (1973). Vibration reception by the fiddler crab, Uca minax .
44(2), 10.1016/0300-9629(73)90506-9
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Salmon, M, Horch, K. (1973). Vibration reception by the fiddler crab, Uca minax .
44(2), 10.1016/0300-9629(73)90506-9
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cited authors
Salmon, M; Horch, K
fiu authors
Horch, Kenneth
abstract
1. 1. Courting male Uca minax produce sounds 1-4 sec in duration, composed of two to nine pulses and containing energies below 1 kHz (maxima between 300 and 600 Hz). Acceleration levels were 68-84 dB re: 10-3 cm/sec2 at 5-20 cm from the male. 2. 2. Thresholds to tonal vibrations between 30 Hz and 1-5 kHz were measured (a) via gross recordings from the legs of intact animals and (b) from single and multiple units in the proximal leg nerve. Multiple units yielded thresholds 10-15 dB below the single units, and up to 40 dB below the gross recording. 3. 3. All units responded primarily to stimulus onset, with single units showing most rapid adaptation (5-10 msec). Coding of stimulus amplitude was weakly developed within units, but may be accomplished by several units differing in sensitivity. None of the units coded tonal frequency. © 1973.
publication date
February 1, 1973
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Digital Object Identifier (DOI)
https://doi.org/10.1016/0300-9629(73)90506-9
Additional Document Info
volume
44
issue
2