NDLI: Infrared sensitivity of thermoreceptors

Content Provider	Springer Nature Link
Author	Gingl, E. Tichy, H.
Copyright Year	2001
Abstract	This study compares the effects of convective and radiant heat on the discharge rates of the warm cell of a thin hair-like sensillum of the tick and of the cold cells of small peg-shaped sensilla of the locust and the cockroach. The temperature rates imposed by the convective heat contained in the air stream used for stimulation are reflected by the discharge rate of the thermoreceptors. We determined the increment in radiant heat that results in the same change in discharge rate as a given increment in temperature due to convection. The amount of infrared radiation required to produce the same effect as a 1°C change in temperature differs for the sensory cells of the tick, locust and cockroach, respectively, suggesting differences in the ability of the sensilla to take up and transfer radiant heat. The power of radiation required to modulate the discharge rates is very high and outside the biologically meaningful range in all cases. Obviously the adequate stimulus for the examined sensilla is convective heat and not radiant heat.
Starting Page	467
Ending Page	475
Page Count	9
File Format	PDF
ISSN	03407594
Journal	Journal of Comparative Physiology A
Volume Number	187
Issue Number	6
e-ISSN	14321351
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-07-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Physiology Behavioral Neuroscience Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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