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Keywords: threshold
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Journal Articles
J Exp Biol (2010) 213 (20): 3449–3456.
Published: 15 October 2010
...) that comprise their olfactory organs. We also calculated the olfactory thresholds and relative effectiveness of amino acid odorants for each species. The olfactory organs varied in both the number of lamellae and lamellar surface area, which may be related to their general habitat, but neither correlated...
Journal Articles
J Exp Biol (2010) 213 (9): 1536–1548.
Published: 01 May 2010
...) . Tidsskrift for Den Norske Laegeforening 95 , 356 - 368 . Campbell B. A. ( 1957 ). Auditory and aversion thresholds of rats for bands of noise . Science 125 , 596 - 597 . Campbell B. A. , Bloom J. M. ( 1965 ). Relative aversiveness of noise and shock . J. Comp. Physiol...
Journal Articles
J Exp Biol (2009) 212 (22): 3693–3699.
Published: 15 November 2009
...Olle Lind; Almut Kelber SUMMARY We have used behavioural tests to determine the intensity thresholds of colour vision in Bourke's parrots ( Neopsephotus bourkii ) and budgerigars ( Melopsittacus undulatus ). We have also examined the relationship between these thresholds and the optical...
Journal Articles
J Exp Biol (2006) 209 (21): 4224–4229.
Published: 01 November 2006
...Anne-Catherine Mailleux; Claire Detrain; Jean-Louis Deneubourg SUMMARY The decision for an ant forager to launch recruitment is governed by an internal response threshold. Here, we demonstrate that this threshold (the desired volume) triggering trail-laying increases under starvation...
Journal Articles
J Exp Biol (2001) 204 (22): 3829–3841.
Published: 15 November 2001
... on the platform for up to 12 min, the whales whistled in response to 500 ms tones projected at random intervals to assess their hearing threshold at each depth. Analysis of response whistle spectra, whistle latency in response to tones and hearing thresholds showed that the increased hydrostatic pressure at depth...
Journal Articles
J Exp Biol (1991) 161 (1): 43–59.
Published: 01 November 1991
...BERND KRAMER; IVO KAUNZINGER Eigenmannia 's frequency and intensity discrimination thresholds were determined for a range of seven frequencies (50–1700Hz), centered on a fish's individual discharge frequency, using a conditioned go/no-go paradigm. The threshold criterion was ‘50% correct choices...
Journal Articles
J Exp Biol (1985) 116 (1): 385–393.
Published: 01 May 1985
...F. E. DOUJAK 1. The absolute-intensity threshold of the optokinetic response in the crab Leptograpsus variegatus was measured using a moving continuous monochromatic point source. The results are compared to the photoreceptor responses of the same animal (Doujak, 1984), to determine...