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Bright light therapy: improved sensitivity to its effects on rest-activity rhythms in Alzheimer patients by application of nonparametric methods.
TLDR
It was demonstrated that the light-induced improvement in coupling of the rest-activity rhythm to the environmental zeitgeber of bright light is better detected using nonparametric procedures, which will improve the sensitivity to treatment effects in future studies.
Effect of bright light and melatonin on cognitive and noncognitive function in elderly residents of group care facilities: a randomized controlled trial.
TLDR
Light has a modest benefit in improving some cognitive and noncognitive symptoms of dementia and is recommended only in combination with light to counteract the adverse effect of melatonin on mood.
A sex difference in the human brain and its relation to transsexuality
TLDR
This study is the first to show a female brain structure in genetically male transsexuals and supports the hypothesis that gender identity develops as a result of an interaction between the developing brain and sex hormones.
Hypocretin (orexin) loss in Parkinson's disease.
TLDR
The hypocretin-1 concentration in the prefrontal cortex was almost 40% lower in PD patients, while ventricular CSF levels were almost 25% reduced, and the total number of hypoc retin neurons was almost half compared to controls.
Male-to-female transsexuals have female neuron numbers in a limbic nucleus.
TLDR
The present findings of somatostatin neuronal sex differences in the BSTc and its sex reversal in the transsexual brain clearly support the paradigm that in transsexuals sexual differentiation of the brain and genitals may go into opposite directions and point to a neurobiological basis of gender identity disorder.
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