Psychology Research News
May 6, 2015

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May 6, 2015

Non-Euclidean Geometries for Grid Cells

May 6, 2015 — Grid cells, space-mapping neurons of the entorhinal cortex of rodents, could also work for hyperbolic surfaces. A new study tests a model (a computer simulation) based on mathematical principles, ... read more

May 4, 2015 — A unique connection between diabetes and Alzheimer’s disease has been uncovered by researchers, providing further evidence that a disease that robs people of their memories may be affected by ... read more

May 4, 2015 — Exosomes could help with longstanding medical issues from cancer diagnosis to sophisticated research tool. Now, they could potentially help with delivering potent antioxidants into the brain of ... read more

Study Points to Possible Treatment for Lethal Pediatric Brain Cancer

May 4, 2015 — Using brain tumor samples collected from children in the United States and Europe, an international team of scientists found that the drug panobinostat and similar gene regulating drugs may be ... read more

Reducing Prejudice Through Brain Stimulation

May 4, 2015 — People show less prejudice after receiving low intensity electrical stimulation administered to the frontal part of the brain. These researchers were the first to investigate whether the application ... read more

How Chickenpox Virus Can Cause a Stroke in an HIV Patient

May 4, 2015 — Varicella-zoster virus causes chickenpox in children and shingles in older adults. The virus typically remains dormant in patients with healthy immune systems, but can reactivate if the immune system ... read more

May 1, 2015 — What happens to an astronaut's brain during a mission to Mars? Nothing good. It's besieged by destructive particles that can forever impair cognition, according to a radiation oncology ... read more

Apr. 30, 2015 — Neuroscientists have attached the light-sensing protein rhodopsin to opioid receptor parts to activate the receptor pathways using light from a laser fiber-optic device. They also influenced the ... read more

Apr. 30, 2015 — Researchers have perfected a noninvasive "chemogenetic" technique that allows them to switch off a specific behavior in mice -- such as voracious eating -- and then switch it back on. The ... read more

Apr. 29, 2015 — Neuroscientists have discovered brain circuitry for encoding positive and negative learned associations in mice. After finding that two circuits showed opposite activity following fear and reward ... read more

Your Brain on Drugs: Functional Differences in Brain Communication in Cocaine Users

Apr. 29, 2015 — The brain function of people addicted to cocaine is different from that of people who are not addicted, and is often linked to highly impulsive behavior, according to a new scientific ... read more

Apr. 29, 2015 — Patients with traumatic brain injuries are not benefiting from recent advances in cognitive neuroscience research -- and they should be, scientists report. Now, cognitive neuroscientists have ... read more

Cytokine May Play Major Role in Multiple Sclerosis

Apr. 29, 2015 — Multiple sclerosis (MS) is caused by immune cells that activate a cascade of chemicals in the brain, attacking and degrading the insulation that keeps neuronal signals moving. These chemicals, called ... read more

Brain Tumor Patients Should Be Screened for Depression

Apr. 29, 2015 — Because depression in brain cancer patients is a common but often overlooked condition, oncologists should regularly screen tumor patients for depression, according to a new article. The authors also ... read more

Cocaine Changes Brain, Makes Relapse More Common in Addicts

Apr. 28, 2015 — Cocaine use causes 'profound changes' in the brain that lead to an increased risk of relapse due to stress, according to new research that identifies a molecular mechanism in the reward ... read more

Brain Differences Seen in Children With Dyslexia, Dysgraphia

Apr. 28, 2015 — Structural brain differences between children with dyslexia and dysgraphia and children who are typical language learners have been observed by researchers in a recent study. Researchers say the ... read more

Apr. 28, 2015 — Women may have a more difficult time than men in recovering from concussion, according to a new study. Concussion, also known as mild traumatic brain injury (MTBI), is a common medical problem ... read more

Apr. 27, 2015 — An international team of scientists has discovered what amounts to a molecular reset button for our internal body clock. Their findings reveal a potential target to treat a range of disorders, from ... read more

Apr. 27, 2015 — Two wrongs can make a right, at least in the world of visual perception and motor functioning, according to brain scientists who tracked the eyes of students during exercises in a dark ... read more

Your Adolescent Brain on Alcohol: Changes Last Into Adulthood

Apr. 27, 2015 — Repeated alcohol exposure during adolescence results in long-lasting changes in the region of the brain that controls learning and memory, according to a research team that used a rodent model as a ... read more

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