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Related Experiment Videos

Olfactory bulb removal eliminates maternal behavior in the mouse.

R Gandelman, M X Zarrow, V H Denenberg

    Science (New York, N.Y.)
    |January 15, 1971
    PubMed
    Summary

    Olfactory bulb removal eliminated maternal behavior in mice. This finding challenges the established understanding of multisensory control in mammalian maternal care.

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    Area of Science:

    • Neuroscience
    • Behavioral Biology
    • Animal Behavior

    Background:

    • Mammalian maternal behavior is traditionally considered to be under multisensory control.
    • The specific role of olfaction in this complex behavior remains debated.

    Purpose of the Study:

    • To investigate the necessity of the olfactory system for the expression of maternal behavior in mice.
    • To challenge the prevailing hypothesis of multisensory integration in maternal care.

    Main Methods:

    • Surgical olfactory bulb removal (OBR) was performed in lactating and virgin female mice.
    • Maternal behavior was assessed post-surgery in the experimental groups.

    Main Results:

    • Olfactory bulb removal completely abolished maternal behavior in both lactating and virgin mice.
    • This indicates a critical role for the olfactory system in initiating and maintaining maternal care.

    Conclusions:

    • The olfactory system is essential for mammalian maternal behavior.
    • These findings necessitate a re-evaluation of the multisensory control model of maternal behavior.

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