Psychology 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 — 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

May 4, 2015 — Computer scientists have combined sophisticated computer vision algorithms and a brain-computer interface to find mines in sonar images of the ocean floor. The study shows that the new method speeds ... 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

May 4, 2015 — A new study in mice links three previously unrelated hypotheses about the causes of schizophrenia, a debilitating mental disorder that affects how people think, act and perceive reality. The new ... 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 created an out-of-body illusion in participants placed inside a brain scanner. They then used the illusion to perceptually 'teleport' the participants to different ... 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. 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

Can Cheap Wine Taste Great? Brain Imaging and Marketing Placebo Effects

Apr. 29, 2015 — When consumers taste cheap wine and rate it highly because they believe it is expensive, is it because prejudice has blinded them to the actual taste, or has prejudice actually changed their brain ... 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

Apr. 28, 2015 — Most of the time, we learn only gradually, incrementally building connections between actions or events and outcomes. But there are exceptions--every once in a while, something happens and we ... 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

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