Dynamic response of preoptic and hypothalamic neurons to scrotal thermal stimulation in rats

Teruo Nakayama; Kazuyuki Kanosue; Youzou Ishikawa; Kiyoshi Matsumura; Kyoko Imai

doi:10.1007/BF00584693

Dynamic response of preoptic and hypothalamic neurons to scrotal thermal stimulation in rats

Teruo Nakayama, Kazuyuki Kanosue, Youzou Ishikawa, Kiyoshi Matsumura, Kyoko Imai

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

Activities of preoptic and anterior hypothalamic (POAH) neurons were recorded in anesthetized rats in response to serotal thermal stimulation. Thirteen out of 54 neurons responsive to changes of scrotal temperature (T_ser) showed dynamic responses. Four of these neurons increased and 3 neurons decreased their firing rates responding dynamically to warming but not to cooling. Six other neurons were inhibited by scrotal cooling only. These dynamic responses were produced even by temperature changes as slow as 2 C/min and only when the scrotum was warmed or cooled in the T_ser range above 35° C. These dynamic responses are suggested to be a result of signal processing in supraspinal structures including POAH itself.

Original language	English
Pages (from-to)	23-26
Number of pages	4
Journal	Pflügers Archiv European Journal of Physiology
Volume	396
Issue number	1
DOIs	https://doi.org/10.1007/BF00584693
Publication status	Published - 1983 Jan 1
Externally published	Yes

Keywords

Dynamic response
Hypothalamus
Preoptic area
Scrotal temperature
Temperature-sensitive neuron

ASJC Scopus subject areas

Physiology
Clinical Biochemistry
Physiology (medical)

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Nakayama, T., Kanosue, K., Ishikawa, Y., Matsumura, K., & Imai, K. (1983). Dynamic response of preoptic and hypothalamic neurons to scrotal thermal stimulation in rats. Pflügers Archiv European Journal of Physiology, 396(1), 23-26. https://doi.org/10.1007/BF00584693

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