PYY modulation of cortical and hypothalamic brain areas predicts feeding behaviour in humans

Rachel L. Batterham (), Dominic H. Ffytche, J. Miranda Rosenthal, Fernando O. Zelaya, Gareth J. Barker, Dominic J. Withers and Steven C. R. Williams
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Rachel L. Batterham: Centre for Diabetes and Endocrinology, University College London
Dominic H. Ffytche: Centre for Neuroimaging Sciences, King’s College London, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF, UK
J. Miranda Rosenthal: Centre for Diabetes and Endocrinology, University College London
Fernando O. Zelaya: Centre for Neuroimaging Sciences, King’s College London, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF, UK
Gareth J. Barker: Centre for Neuroimaging Sciences, King’s College London, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF, UK
Dominic J. Withers: Centre for Diabetes and Endocrinology, University College London
Steven C. R. Williams: Centre for Neuroimaging Sciences, King’s College London, Institute of Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF, UK

Nature, 2007, vol. 450, issue 7166, 106-109

Abstract: Functional magnetic resonance imaging is used to examine brain areas whose activity correlates with subsequent feeding behaviour under different satiety states evoked by intravenous peptide YY3–36 (PYY), administration. Under high PYY conditions, (mimicking the fed state) changes in orbitofrontal cortex activation better predicted subsequent feeding, whereas in low PYY conditions, hypothalamic activation predicted food intake.

Date: 2007
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DOI: 10.1038/nature06212

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