Neuroanatomy and Behaviour

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Keywords

Lateral hypothalamus
Mating
Orexin
Hypocretin
Calcium imaging
Miniscope
Freely moving recording
Mouse fellatio

How to Cite

Burdakov, D., & Karnani, M. M. (2021). Orexin neuron activity in mating mice - a pilot study. Neuroanatomy and Behaviour, 3, e17. https://doi.org/10.35430/nab.2021.e17

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Abstract

Mating behaviours affect hypothalamic orexin/hypocretin neurons and vice versa. However, activity of orexin neurons has not been recorded during mating before. We report an anecdotal dataset of freely-moving miniature microscope recordings of orexin neuron activity during mating behaviours, as well as an oral sexual encounter previously undocumented in mice. Across the orexin neuron population in the male, firing rates were maximally diverse during ejaculation, similarly diverse though weaker during intromission, and inverse to this during anterior thrusting. In the female mouse, orexin neurons tended to decrease firing during intromission after a transient increase. We provide this brief dataset for re-use, to enable further studies of these rare behaviours with challenging surgical preparations.

https://doi.org/10.35430/nab.2021.e17
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