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Psychology Research News
October 29, 2020

Top Headlines
 

Study Helps Explain Why Motivation to Learn Declines With Age

Neuroscientists have identified a brain circuit critical for learning to make decisions that require evaluating the cost or reward of an action. They showed this circuit is negatively affected by ...

Bacterial Metabolism of Dietary Soy May Lower Risk Factor for Dementia

A metabolite produced following consumption of dietary soy may decrease a key risk factor for dementia - with the help of the right bacteria, according to a new ...

Hypothyroidism in Pregnant Mothers Linked to ADHD in Their Children

Low levels of key, body-regulating chemicals in mothers during the first three months of pregnancy may interfere with the baby's brain development, a large study ...

Ingestible Capsule That Could Help Demystify the Gut-Brain Axis

A team of experts from engineering, neuroscience, applied microbiology, and physics has been making headway on building a platform that can monitor and model the real-time processing of gut ...
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Neuron-Based Gene Expression Study Reveals Insights on Fear and Its Regulation

The expression of a gene called CREB in certain neurons may function as a switch to regulate feelings of fear and its ...

Single Brain Region Links Depression and Anxiety, Heart Disease, and Treatment Sensitivity

Over-activity in a single brain region called the subgenual anterior cingulate cortex (sgACC) underlies several key symptoms of mood and anxiety disorders, but an antidepressant only successfully ...

PTSD and Alcohol Abuse Go Hand-in-Hand, but Males and Females Exhibit Symptoms Differently

Through intricate experiments designed to account for sex-specific differences, scientists have zeroed-in on certain changes in the brain that may be responsible for driving alcohol abuse among ...

COVID-19 Anxiety Linked to Body Image Issues

A new study has found that anxiety and stress directly linked to COVID-19 could be causing a number of body image issues. The research, which involved 506 UK adults, found that worries linked to ...

Gut Hormone Blocks Brain Cell Formation and Is Linked to Parkinson's Dementia

A gut hormone, ghrelin, is a key regulator of new nerve cells in the adult brain, a research team has discovered. It could help pave the way for new drugs to treat dementia in patients with ...

Phase 3 Clinical Trial to Treat Mild Alzheimer's Disease Using Deep Brain Stimulation

Medical researchers are enrolling individuals in an international phase 3 clinical trial to examine the safety and effectiveness of deep brain stimulation to treat Alzheimer's. The study uses ...

'Use It or Lose It': Regular Social Engagement Linked to Healthier Brain Microstructure in Older Adults

Older people who report greater levels of social engagement have more robust gray matter in regions of the brain relevant in dementia, according to new research. It is the first to use a particularly ...

Stay in Touch With Your Emotions to Reduce Pandemic-Induced Stress

The coronavirus has ushered in a lot of stress. Psychologists say people can reduce stress by identifying their emotions and taking mindful action to address them. The findings come from a national ...

STAT3 Identified as Important Factor in Emotional Reactivity

Researchers showed that STAT3 plays an important role in the serotonergic system as a molecular mediator for controlling emotional reactivity, thereby establishing a mechanistic link between the ...

Novel Discoveries in Preventing Epileptic Seizures

Researchers have found that an amino acid produced by the brain could play a crucial role in preventing a type of epileptic ...

Effects of Low-Level Lead Exposure and Alcohol Consumption

A new study examining effects of low-level developmental lead exposure in mice could explain why some people dependent on alcohol return to ...

Alcohol Use Changed Right After COVID-19 Lockdown

One in four adults reported a change in alcohol use almost immediately after stay-at-home orders were issued: 14 percent reported drinking more alcohol and reported higher levels of stress and ...

Scientists Find Neurochemicals Have Unexpectedly Profound Roles in the Human Brain

In first-of-their-kind observations in the human brain, an international team of researchers has revealed two well-known neurochemicals -- dopamine and serotonin -- are at work at sub-second speeds ...

The Choroid Plexus: A Conduit for Prenatal Inflammation?

New work offers an unprecedented real-time view of the choroid plexus in a mouse model, providing a glimpse of how disturbances of the mother's immune system during pregnancy disrupt the ...

Inhibiting Epileptic Activity in the Brain

A new study shows that a protein -- called DUSP4 -- was increased in healthy brain tissue directly adjacent to epileptic tissue. The research suggests that boosting levels of DUSP4 could be a novel ...

Experimental Glioblastoma Therapy Shows Curative Powers in Mice Models

Researchers used a second-generation pro-drug called MP-Pt(IV) to target the deadly cells of glioblastoma tumors and found mice harboring human glioblastoma tumors in their brains had greatly ...

The Effects of Oxytocin on Social Anxiety Depend on Location, Location, Location

The findings of the study show that oxytocin produced in the BNST increases stress-induced social anxiety behaviors in mice. This may provide an explanation as to why oxytocin can sometimes have ...

Major Deficits in Addressing Mental Health Needs of Asylum Seekers

A new study of asylum seekers in Germany suggests that, among those with symptoms of depression, anxiety, or posttraumatic stress disorder (PTSD), few receive a diagnosis from the health care system, ...

Cortex-Wide Variation of Neuronal Cellular Energy Levels Depending on the Sleep-Wake States

The brain is assumed to exert homeostatic functions to always keep the cellular energy status constant, this has not been proven. Researchers discovered that cortical neuronal intracellular ...

Study Confirms Genetic Link in Cerebral Palsy

An international research team including the University of Adelaide has found further evidence that rare gene mutations can cause cerebral palsy, findings which could lead to earlier diagnosis and ...

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