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    Pup suckling is more rewarding than cocaine: evidence from functional magnetic resonance imaging and three-dimensional computational analysis

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    Publication date
    2009-12-16T09:44:51Z
    Author
    Harder, Josie A.
    Febo, M.M.
    Ferris, C.F.
    Sullivan, J.M. Jr
    Keyword
    Accumbens
    Cocaine
    Nigrostriatal
    Prefrontal
    Magnetic
    Maternal
    Substantia Nigra
    Suckling
    Motivation
    Peer-Reviewed
    Yes
    
    Metadata
    Show full item record
    Abstract
    Nursing has reciprocal benefits for both mother and infant, helping to promote maternal behavior and bonding. To test the "rewarding" nature of nursing, functional magnetic resonance imaging was used to map brain activity in lactating dams exposed to their suckling pups versus cocaine. Suckling stimulation in lactating dams and cocaine exposure in virgin females activated the dopamine reward system. In contrast, lactating dams exposed to cocaine instead of pups showed a suppression of brain activity in the reward system. These data support the notion that pup stimulation is more reinforcing than cocaine, underscoring the importance of pup seeking over other rewarding stimuli during lactation
    URI
    http://hdl.handle.net/10454/4116
    Version
    No full-text available in the repository
    Citation
    Harder, J.A., Febo, M., Ferris, C.F. and Sullivan, J.M. (2005). Pup suckling is more rewarding than cocaine: evidence from functional magnetic resonance imaging and three-dimensional computational analysis. Journal of Neuroscience. Vol. 25, No. 1, pp. 149-156.
    Link to publisher’s version
    http://dx.doi.org/10.1523/JNEUROSCI.3156-04.2005
    Type
    Article
    Collections
    Life Sciences Publications

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