I don’t think this is a surprise to anyone. With the autonomic dysfunction that can come with PSP, body temperature regulation can malfunction as well. This research is out of Japan; the Japanese are world-class researchers of autonomic dysfunction.
Robin
Clinical Autonomic Research. 2009 Feb;19(1):65-68.
The core body temperature rhythm is altered in progressive supranuclear palsy.
Suzuki K, Miyamoto T, Miyamoto M, Hirata K.
Dept. of Neurology, Dokkyo Medical University, Tochigi, Japan.
We measured circadian rhythmicity in rectal temperature change and found that the amplitude of body temperature was significantly reduced in patients with progressive supranuclear palsy compared to those with Parkinson disease.
PubMed ID#: 19224326 (see pubmed.gov for this short abstract)