The ventromedial nucleus of the hypothalamus outputs long-lasting running in rats

T. Yokawa, D. Mitsushima, C. Itoh, H. Konishi, K. Shiota, M. Takahashi

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

We have developed a new technique for altering neural construction by implanting self-swelling, the hydrogel of water-absorbent polymer (WAPGEL) into restricted areas of the brain. Using this technique, we found that the VMH is responsible for expression of running activity. Implantation of 1.5 μl of WAPGEL into the dorsomedial portion of the ventromedial nucleus of the hypothalamus (VMH) of the rat specifically induced bursts of running, whereas implantation into other sites of hypothalamus, e.g., the anterior, lateral and posterior areas, and the dorsomedial nucleus, caused no significant running activity. The WAPGEL-injected rat showed less aversive reactions than the sham-operated rat. Since deafferentation of the VMH after WAPGEL injection prevented the induction of running activity, the output from the VMH appeared to be responsible for the running activity.

Original languageEnglish
Pages (from-to)713-717
Number of pages5
JournalPhysiology and Behavior
Volume46
Issue number4
DOIs
Publication statusPublished - 1989
Externally publishedYes

Fingerprint

Running
Hypothalamus
Posterior Hypothalamus
Mediodorsal Thalamic Nucleus
Anterior Hypothalamus
Hydrogel
Polymers
Injections
Water
Brain

Keywords

  • Behavior
  • Locomotor activity
  • Running activity
  • Ventromedial nucleus of the hypothalamus

ASJC Scopus subject areas

  • Physiology (medical)
  • Behavioral Neuroscience

Cite this

Yokawa, T., Mitsushima, D., Itoh, C., Konishi, H., Shiota, K., & Takahashi, M. (1989). The ventromedial nucleus of the hypothalamus outputs long-lasting running in rats. Physiology and Behavior, 46(4), 713-717. https://doi.org/10.1016/0031-9384(89)90356-9

The ventromedial nucleus of the hypothalamus outputs long-lasting running in rats. / Yokawa, T.; Mitsushima, D.; Itoh, C.; Konishi, H.; Shiota, K.; Takahashi, M.

In: Physiology and Behavior, Vol. 46, No. 4, 1989, p. 713-717.

Research output: Contribution to journalArticle

Yokawa, T, Mitsushima, D, Itoh, C, Konishi, H, Shiota, K & Takahashi, M 1989, 'The ventromedial nucleus of the hypothalamus outputs long-lasting running in rats', Physiology and Behavior, vol. 46, no. 4, pp. 713-717. https://doi.org/10.1016/0031-9384(89)90356-9
Yokawa, T. ; Mitsushima, D. ; Itoh, C. ; Konishi, H. ; Shiota, K. ; Takahashi, M. / The ventromedial nucleus of the hypothalamus outputs long-lasting running in rats. In: Physiology and Behavior. 1989 ; Vol. 46, No. 4. pp. 713-717.
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