Psychology Research News
November 25, 2015

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November 25, 2015

Nov. 19, 2015 — Low levels of serotonin in the brain are known to play a role in depression and anxiety, and it is customary to treat these disorders with medications that increase the amount of this ... read more

Nov. 19, 2015 — The simple act of running may be sufficient to prevent long-term cognitive impairments caused by prenatal exposure to antiepileptic drugs, according to a study. The findings revealed that prenatal ... read more

How Exercise May Energize Brain Cell Function: Animal Study

Nov. 19, 2015 — As we age or develop neurodegenerative diseases such as Alzheimer's, our brain cells may not produce sufficient energy to remain fully functional. Researchers have discovered that an enzyme ... read more

Improving Fitness May Counteract Brain Atrophy in Older Adults, Study Shows

Nov. 19, 2015 — Older adults that improved their fitness through a moderate intensity exercise program increased the thickness of their brain's cortex, the outer layer of the brain that typically atrophies with ... read more

Novel Proteins Linked to Huntington's Disease Identified

Nov. 19, 2015 — A new discovery about Huntington's disease has been made by researchers, showing that the gene that causes the fatal disorder makes an unexpected 'cocktail' of mutant proteins that ... read more

Master Switch for Brain Development

Nov. 18, 2015 — A complex regulatory mechanism has been disovered, which explains how a single gene can drive the formation of brain cells. The research is an important step towards a better understanding of how the ... read more

Nov. 18, 2015 — While some things may be 'as simple as black and white', this has not been the case for the circuits in the brain that make it possible to distinguish black from white. The patterns of ... read more

Nov. 18, 2015 — Although a group of HIV+ older individuals scored 'cognitively normal' in standard neuropsychology testing, a scan of their brains tells a different story, report neuroscientists following ... read more

Male Hormone Testosterone Cause of Sex Differences in Parkinson's Disease Risk, Study Suggests

Nov. 18, 2015 — Men are twice as likely as women to develop Parkinson’s disease. New research suggests that testosterone enhances the susceptibility of brain cells that control movement to damage from chemical ... read more

Couples Who Have Sex Weekly Are Happiest

Nov. 18, 2015 — Although more frequent sex is associated with greater happiness, this link was no longer significant at a frequency of more than once a week, report researchers in a new ... read more

New Options for Treating Autism

Nov. 18, 2015 — The operating mechanism of oxytocin, the molecule involved in social behavior, has been researched by a team of European scientists. The results obtained in the research suggest that one of the ... read more

Mother's Age at Birth May Influence Symptoms of Depression in Daughters

Nov. 17, 2015 — The daughters, but not the sons, of women who give birth at age 30 or older are more likely to experience symptoms of depression as young adults, according to new ... read more

First Insights Into Changes to Developing Brain Caused by Gene Associated With Autism

Nov. 17, 2015 — New insights show how even very small changes to synapses can alter brain function and could lead to intellectual disabilities. Researchers note that new research will help in the development of ... read more

Hallucinations Linked to Differences in Brain Structure

Nov. 17, 2015 — People diagnosed with schizophrenia who are prone to hallucinations are likely to have structural differences in a key region of the brain compared to both healthy individuals and people diagnosed ... read more

Modulating Brain's Stress Circuitry Might Prevent Alzheimer's Disease

Nov. 16, 2015 — In a novel animal study design that mimicked human clinical trials, researchers report that long-term treatment using a small molecule drug that reduces activity of the brain's stress circuitry ... read more

Environment of Tumors Impacts Metastasis, Study Finds

Nov. 16, 2015 — The microenvironment of a tumor cell has significant impact on cancer metastasis, new research shows. This discovery has focused attention on fighting cancer in the tumor cell's ... read more

Nov. 16, 2015 — Researchers conducted experiments on the hippocampus of neonatal rats and mice, quite similar to the one of a human fetus at the second half of pregnancy period. Hence it will be possible make ... read more

Drug Could Limit Spread of Deadly Brain Tumors

Nov. 13, 2015 — In a significant breakthrough, researchers have identified a drug, propentofylline or PPF, that could help treat patients with deadly brain cancer. They report that PPF works to limit the spread of ... read more

Nov. 13, 2015 — Eating sweet foods causes the brain to form a memory of a meal, according to ... read more

Nov. 13, 2015 — Scientists have found evidence of a biological basis for apathy in healthy people. Research could shed light on the way some people become pathologically apathetic, for example after a stroke or with ... read more

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