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Decoding Ventromedial Hypothalamic Neural Activity during Male Mouse Aggression

Falkner, Annegret L. and Dollar, Piotr and Anderson, David J. and Lin, Dayu (2014) Decoding Ventromedial Hypothalamic Neural Activity during Male Mouse Aggression. Journal of Neuroscience, 34 (17). pp. 5971-5984. ISSN 0270-6474. PMCID PMC3996217. doi:10.1523/JNEUROSCI.5109-13.2014.

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The ventromedial hypothalamus, ventrolateral area (VMHvl) was identified recently as a critical locus for inter-male aggression. Optogenetic stimulation of VMHvl in male mice evokes attack toward conspecifics and inactivation of the region inhibits natural aggression, yet very little is known about its underlying neural activity. To understand its role in promoting aggression, we recorded and analyzed neural activity in the VMHvl in response to a wide range of social and nonsocial stimuli. Although response profiles of VMHvl neurons are complex and heterogeneous, we identified a subpopulation of neurons that respond maximally during investigation and attack of male conspecific mice and during investigation of a source of male mouse urine. These “male responsive” neurons in the VMHvl are tuned to both the inter-male distance and the animal's velocity during attack. Additionally, VMHvl activity predicts several parameters of future aggressive action, including the latency and duration of the next attack. Linear regression analysis further demonstrates that aggression-specific parameters, such as distance, movement velocity, and attack latency, can model ongoing VMHvl activity fluctuation during inter-male encounters. These results represent the first effort to understand the hypothalamic neural activity during social behaviors using quantitative tools and suggest an important role for the VMHvl in encoding movement, sensory, and motivation-related signals.

Item Type:Article
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URLURL TypeDescription CentralArticle
Anderson, David J.0000-0001-6175-3872
Additional Information:© 2014 The Authors. Received Dec. 6, 2013; revised March 20, 2014; accepted March 21, 2014. Author contributions: D.J.A. and D.L. designed research; D.L. performed research; P.D. and P.P. contributed unpublished reagents/analytic tools; A.L.F. analyzed data; A.L.F. and D.L. wrote the paper. This work was supported by the Jane Coffin Child Foundation (D.L.), National Institutes of Health Grant 1R01MH101377-01 (D.L.), Whitehall foundation fellowship (D.L.), the Weston-Havens Foundation (D.J.A.), MH0750053 (D.J.A.), MH085082 (D.J.A.), Ellison Medical Foundation (D.J.A.), Paul G. Allen Family Foundation (D.J.A.), Howard Hughes Medical Institute (D.J.A.), Gordon and Betty Moore Foundation (P.P. and D.J.A.), and ONR MURI Grant #N0014-10-1-0933 (P.P.). We thank Alex Ramirez for helpful conversations, Mickey Goldberg, Li Chin Wong, and Susanne Tranguch for editorial comments, Ciocchi Stephane for help in electrode construction, and Robert Robbins for video annotation.
Funding AgencyGrant Number
Jane Coffin Childs Memorial Fund for Medical ResearchUNSPECIFIED
Whitehall FoundationUNSPECIFIED
Weston-Havens FoundationMH0750053
Weston-Havens FoundationMH085082
Ellison Medical FoundationUNSPECIFIED
Paul G. Allen Family FoundationUNSPECIFIED
Howard Hughes Medical Institute (HHMI)UNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Office of Naval Research (ONR)N0014-10-1-0933
Subject Keywords:aggression; hypothalamus; motivation; physiology
Issue or Number:17
PubMed Central ID:PMC3996217
Record Number:CaltechAUTHORS:20140529-084640380
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Official Citation:Falkner, A. L., Dollar, P., Perona, P., Anderson, D. J., & Lin, D. (2014). Decoding Ventromedial Hypothalamic Neural Activity during Male Mouse Aggression. The Journal of Neuroscience, 34(17), 5971-5984. doi: 10.1523/jneurosci.5109-13.2014
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45957
Deposited On:29 May 2014 21:46
Last Modified:10 Nov 2021 17:18

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