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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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[DELTA]9-tetrahydrocannabinol-induced alterations in limbic system glucose use in the rat

Brett, Ros and MacKenzie, Fiona and Pratt, Judith (2001) [DELTA]9-tetrahydrocannabinol-induced alterations in limbic system glucose use in the rat. NeuroReport, 12 (16). pp. 3573-3577. ISSN 0959-4965

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Abstract

The effects of Δ9-tetrahydrocannabinol (THC) on neural activity in the rat were investigated using [14C]2-deoxyglucose autoradiography to measure local cerebral glucose use. Overall, THC reduced glucose use at 5 mg/kg and slightly increased it at 1 mg/kg. Significant reductions were seen at the higher dose in regions of the hippocampus and limbic system, and in structures associated with sensory and sensorimotor process ing, consistent with the effects of THC on memory, sensory perception and motor control. Glucose use was increased in the shell of the nucleus accumbens at 1 mg/kg but not reduced at 5 mg/kg. This may reflect increases in activity in mesolimbic reward pathways which at the higher dose are mitigated by reduced glutamatergic outflow from the hippocampus.