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Categories: Cosmetic Surgery, Psychology Research

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Psychology Research
Published

Perfect balance: How the brain fine-tunes its sensitivity      (via sciencedaily.com)     Original source 

A sensitive perception of the environment is crucial for guiding our behavior. However, an overly sensitive response of the brain's neural circuits to stimuli can lead to neurodevelopmental disorders such as epilepsy. Researchers now report how neuronal networks in the mouse brain are fine-tuned.

Psychology Research
Published

Scientists uncover 95 regions of the genome linked to PTSD      (via sciencedaily.com)     Original source 

In posttraumatic stress disorder (PTSD), intrusive thoughts, changes in mood, and other symptoms after exposure to trauma can greatly impact a person's quality of life. About 6 percent of people who experience trauma develop the disorder, but scientists don't yet understand the neurobiology underlying PTSD. Now, a new genetic study of more than 1.2 million people has pinpointed 95 loci, or locations in the genome, that are associated with risk of developing PTSD, including 80 that had not been previously identified.

Psychology Research
Published

Paper: To understand cognition--and its dysfunction--neuroscientists must learn its rhythms      (via sciencedaily.com)     Original source 

Thought emerges and is controlled in the brain via the rhythmically and spatially coordinated activity of millions of neurons, scientists argue in a new article. Understanding cognition and its disorders requires studying it at that level.

Healthy Aging Psychology Research
Published

Protecting brain cells with cannabinol      (via sciencedaily.com)     Original source 

Scientists created four cannabis-derived CBN analogs (chemical look-a-likes) with enhanced neuroprotective properties and potential for therapeutic application in neurological disorders like Alzheimer's, Parkinson's, and traumatic brain injury. Their findings reveal novel aspects of CBN's neuroprotective activity and demonstrate the clinical potential of CBN and value of studying its analogs.

Psychology Research
Published

Workings of working memory detailed      (via sciencedaily.com)     Original source 

Investigators have discovered how brain cells responsible for working memory -- the type required to remember a phone number long enough to dial it -- coordinate intentional focus and short-term storage of information.

Depression Infant's Health Mental Health Research Parenting Psychology Research
Published

Teen stress may raise risk of postpartum depression in adults      (via sciencedaily.com)     Original source 

A research team reports that social stress during adolescence in female mice later results in prolonged elevation of the hormone cortisol after they give birth.

Chronic Illness Psychology Research
Published

Scientists identify cell vulnerability 'fingerprint' related to Parkinson's, Lewy body dementia      (via sciencedaily.com)     Original source 

A new study offers a first look into the complex molecular changes that occur in brain cells with Lewy bodies, which are key pathological hallmarks of Parkinson's disease and some dementias. The findings reveal that brain cells with Lewy bodies exhibit a specific gene expression pattern akin to a disease-related fingerprint.

Children's Health Psychology Research
Published

Epilepsy drug prevents brain tumors in mice with NF1      (via sciencedaily.com)     Original source 

Researchers have discovered that an FDA-approved epilepsy drug can prevent or slow the growth of NF1-linked optic gliomas in mice, laying the groundwork for a clinical trial.

Chronic Illness Depression Mental Health Research Psychology Research Stress Today's Healthcare
Published

Physical activity reduces stress-related brain activity to lower cardiovascular disease risk      (via sciencedaily.com)     Original source 

Over a ten-year period, biobank participants who met recommended levels of physical activity had a 23% lower risk of cardiovascular disease, and the protective effects were even more pronounced in individuals with depression.

Psychology Research Today's Healthcare
Published

Team demonstrates miniature brain stimulator in humans      (via sciencedaily.com)     Original source 

Engineers have developed the smallest implantable brain stimulator demonstrated in a human patient that could revolutionize treatment for drug-resistant depression and other psychiatric or neurological disorders.

Birth Defects Children's Health Psychology Research Schizophrenia
Published

Two key brain systems are central to psychosis      (via sciencedaily.com)     Original source 

When the brain has trouble filtering incoming information and predicting what's likely to happen, psychosis can result, research shows.

Chronic Illness Mental Health Research Psychology Research Stress
Published

Study finds increased anxiety and PTSD among people who remained in Ukraine      (via sciencedaily.com)     Original source 

Researchers conducted a survey to understand how the mental health of displaced Ukrainians has been affected by the ongoing war. Their findings describe high levels of post-traumatic stress disorder (PTSD) and generalized anxiety among both refugees and people displaced within Ukraine.

Child Development Children's Health Chronic Illness Psychology Research
Published

Study helps explain why childhood maltreatment continues to impact on mental and physical health into adulthood      (via sciencedaily.com)     Original source 

Childhood maltreatment can continue to have an impact long into adulthood because of how it effects an individual's risk of poor physical health and traumatic experiences many years later, a new study has found.

Psychology Research
Published

Parkinson's Disease: New theory on the disease's origins and spread      (via sciencedaily.com)     Original source 

New hypothesis paper builds on a growing scientific consensus that Parkinson's disease route to the brain starts in either the nose or the gut and proposes that environmental toxicants are the likely source.

Psychology Research
Published

Researchers discover how we perceive bitter taste      (via sciencedaily.com)     Original source 

A new study reveals the detailed protein structure of the TAS2R14, a bitter taste receptor that allows us to perceive bitter taste. In addition to solving the structure of this taste receptor, the researchers were also able to determine where bitter-tasting substances bind to TAS2R14 and how they activate them. The findings may lead to the development of drugs that targeting taste receptors.

Depression Mental Health Research Psychology Research
Published

Brain stimulation treatment may improve depression, anxiety in older adults      (via sciencedaily.com)     Original source 

A noninvasive brain stimulation treatment improved depression and anxiety symptoms among older adults in a new study.

Psychology Research
Published

Connecting lab-grown brain cells provides insight into how our own brains work      (via sciencedaily.com)     Original source 

Researchers have developed a technique to connect lab-grown neural 'organoids' (three-dimensional developmental brain-like structures grown from human stem cells) using axonal bundles, similar to the connections between regions in the human brain. This technique allows brain networks to be better represented experimentally in the lab, and will improve understanding and studies of network-related brain disorders.

Birth Defects Psychology Research
Published

Are lab-grown brain tissues ethical? There is no no-brainer answer      (via sciencedaily.com)     Original source 

Researchers offer insights into the ethical dilemmas and legal complexities surrounding brain organoids, especially those derived from human fetal tissue. Their findings advocate for thorough regulatory frameworks to ensure that scientific and medical progress in this field is conducted responsibly and ethically, with strong regulations supported by sound ethical and legal principles.

Healthy Aging Psychology Research
Published

Tiny brain bubbles carry complete codes      (via sciencedaily.com)     Original source 

Scientists discovered that the biological instructions within these vesicles differed significantly in postmortem brain samples donated from patients suffering from Alzheimer's disease.