Psychology Research News
August 31, 2015

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August 31, 2015

A Single Cocaine Dose Lowers Perceptions of Sadness and Anger

Aug. 30, 2015 — A single dose of cocaine can interfere with the ability to recognize negative emotions such as anger and sadness, according to new ... read more

About 10 Percent of Mothers Experienced Depression Two Years After Hurricane Katrina

Aug. 27, 2015 — About 10 percent of mothers experienced chronic, persistent depressive symptoms two years after Hurricane Katrina slammed into the Gulf Coast, killing more than 1,800 people, displacing hundreds of ... read more

Differences in Brain Structure and Memory Suggest Adolescents May Not ‘grow out Of’ ADHD

Aug. 27, 2015 — Young adults diagnosed with attention deficit/hyperactivity disorder (ADHD) in adolescence show differences in brain structure and perform poorly in memory tests compared to their peers, according to ... read more

Aug. 26, 2015 — A new study shows that childhood cancer survivors suffering one stroke have double the risk of suffering a second stroke, when compared with non-cancer stroke ... read more

Awareness of Memory Loss May Decline Two-Three Years Before Dementia Onset

Aug. 26, 2015 — People who will develop dementia may begin to lose awareness of their memory problems two to three years before the actual onset of the disease, according to a new study. The study also found that ... read more

Cannabis Use May Influence Cortical Maturation in Adolescent Males

Aug. 26, 2015 — Male teens who experiment with cannabis before age 16, and have a high genetic risk for schizophrenia, show a different brain development trajectory than low risk peers who use ... read more

Cannabis and the Brain

Aug. 26, 2015 — Two new studies examine associations between cannabis use and the ... read more

Depression: Evidence of Serotonin Signal Transduction Disturbances

Aug. 26, 2015 — Depression and anxiety disorders are the most common psychiatric disorders. Over the last few years, molecular brain imaging using Positron Emission Tomography (PET) has helped us to identify ... read more

Aug. 25, 2015 — As the brain develops its preference for the dominant eye's input, it alters its connections to the weaker eye, according to a new ... read more

How Exposure to Brief Trauma and Sudden Sounds Form Lasting Memories

Aug. 24, 2015 — Researchers have found how even brief exposure to sudden sounds or mild trauma can form permanent, long-term brain connections, or memories, in a specific region of the ... read more

Physical Activity Linked to Greater Mental Flexibility in Older Adults

Aug. 24, 2015 — One day soon, doctors may determine how physically active you are simply by imaging your brain. Physically fit people tend to have larger brain volumes and more intact white matter than their ... read more

Activated Neurons Produce Protective Protein Against Neurodegenerative Conditions

Aug. 24, 2015 — Activated neurons produce a protein that protects against nerve cell death. Researchers have found out how this effect comes about and defined a crucial ... read more

Magnetic Stimulation Effective in Reducing Bed-Wetting

Aug. 23, 2015 — Bedwetting, or nocturnal enuresis, causes distress in children and young adults, as well as for their parents or caregivers. The causes are not fully understood and there may be both physiological ... read more

Impact of Sleep Disturbance on Recovery in Veterans With PTSD and TBI

Aug. 21, 2015 — Poor sleep may impact treatment and recovery in veterans with Post-Traumatic Stress Disorder (PTSD) and Traumatic Brain Injury (TBI). A review of extensive research on sleep in TBI and PTSD has found ... read more

Maltreated Children's Brains Show 'Encouraging' Ability to Regulate Emotions

Aug. 20, 2015 — There's a common assumption that children subjected to abuse or trauma will have problematic emotions across the board -- muted responses to positive situations and extreme reactions to negative ... read more

Aug. 20, 2015 — Two proteins that share the ability to help cells deal with their trash appear to need each other to do their jobs and when they don't connect, it appears to contribute to development of ... read more

Aug. 20, 2015 — The effect of workplace anxiety on job performance is closely connected to the quality of relationships between employees, their bosses and their co-workers, according to a new ... read more

Ramelteon May Be Useful for Sleep Problems After TBI

Aug. 20, 2015 — Researchers found preliminary evidence for the effectiveness of ramelteon for the treatment of sleep disturbances after traumatic brain injury (TBI). Ramelteon is a melatonin-agonist without the ... read more

Brief Postnatal Blindness Triggers Long-Lasting Reorganization in the Brain

Aug. 20, 2015 — A brief period of postnatal visual deprivation, when early in life, drives a rewiring of the brain areas involved in visual processing, even if the visual restoration is completed well before the ... read more

Researchers Identify Potential Sleep-Related Treatment Targets for Fibromyalgia

Aug. 19, 2015 — Fibromyalgia is characterized by chronic pain from no clear source. Patients with fibromyalgia frequently have sleep problems: Their deep sleep brain wave patterns are often disrupted by brain waves ... read more

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