I think the following recent papers will help you:
Wang H, Kim M, Normoyle KP, Llano D. Thermal Regulation of the Brain-An Anatomical and Physiological Review for Clinical Neuroscientists. Front Neurosci 2016;9:528. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720747/pdf/fnins-09-00528.pdf
Egan GF, Johnson J, Farrell M, McAllen R, Zamarripa F, McKinley MJ, Lancaster J, Denton D, Fox PT. Cortical, thalamic, and hypothalamic responses to cooling and warming the skin in awake humans: a positron-emission tomography study. Proc Natl Acad Sci U S A 2005;102(14):5262-7. http://www.pnas.org/content/102/14/5262.full.pdf