Neuroscience Posts - Page 289 of 2162

·March 26, 2024·7 min read

High Rates of Suicidal Ideation in Rural Black Men

A new study highlights the alarming rates of suicidal thoughts among rural Black men, attributing significant causes to childhood adversity and racism. This research, involving over 500 African American men, demonstrates that experiences of economic hardship, trauma, and racial discrimination significantly impact mental health, leading to a sense of isolation and thoughts of suicide.

Autism Featured Neurology Neuroscience

·March 26, 2024·6 min read

Altered Brain pH Linked to Cognitive Disorders

A global study involving 131 researchers from 105 labs across seven countries has found altered brain pH and lactate levels across various animal models of neuropsychiatric and neurodegenerative disorders. This large-scale research reveals a common endophenotype involving energy metabolism dysfunction as a hallmark in disorders such as schizophrenia, autism, and Alzheimer’s.

Featured Neurology Neuroscience

·March 26, 2024·3 min read

Early Signs of Dementia Found in Middle Age

A new study reveals that Lewy body disease, a major neurodegenerative disorder second only to Alzheimer's, may start developing in individuals as early as middle age, well before symptoms manifest. Utilizing unique Finnish forensic autopsy data, the study found markers of the disease in 9% of individuals over 50 without any clinical diagnosis of Parkinson’s or Lewy body disease.

Featured Genetics Neuroscience

·March 26, 2024·6 min read

The Genetic Secrets of Neuron Formation

Researchers illuminated the pivotal role of the protein MEIS2 in brain development, particularly in the differentiation of inhibitory projection neurons, crucial for motion control and decision-making. This protein, in conjunction with DLX5, activates specific genes that guide the development of these neurons.

Featured Neuroscience Psychology

·March 26, 2024·5 min read

Talking Hands: Cultural Codes in Hand Gestures

A new study confirms Italians gesture more than Swedes, but more importantly, it reveals the diverse functions and frequencies of gestures across cultures. Analyzing storytelling methods, the study found Italians favor pragmatic gestures to guide narrative flow, while Swedes prefer representational gestures to depict actions and events.

Featured Neuroscience Visual Neuroscience

·March 26, 2024·5 min read

Unlocking the Brain’s Attention Network

Researchers have utilized depth electrodes in epilepsy patients to study exogenous attention, the involuntary shift of focus triggered by external stimuli. This unique approach, capturing neural activity across 1,400 brain regions, reveals how attention develops from visual processing to action response, involving a continuum of cortical networks.

Featured Neuroscience

·March 25, 2024·6 min read

Can Rhythm Sense Predict Language Skills?

Researchers developed the Speech-to-Speech Synchronization (SSS) test to explore how individuals align their speech with language rhythms, revealing innate differences that could influence language acquisition and neurological health. The study found that individuals can be categorized into high and low synchronizers, with high synchronizers displaying stronger neural connections related to language perception and production.

This shows a person looking at brain scans.

Featured Neurology Neuroscience

·March 25, 2024·4 min read

Mapping Brain Activity with Brain-Computer Interface Technology

Researchers are trialing a novel brain-computer interface (BCI) with the potential to transform neurosurgical procedures and patient care. The Layer 7 Cortical Interface, boasting 1,024 electrodes for unparalleled brain activity mapping, promises new insights into neurological and psychiatric conditions.

Featured Neuroscience

·March 25, 2024·4 min read

Household Chemicals Linked to Brain Health Risks

Certain household chemicals, including those found in personal-care products and furniture, pose a risk to brain health, potentially contributing to diseases like multiple sclerosis and autism. The study reveals that these chemicals damage oligodendrocytes, essential cells for nerve cell protection.

Featured Genetics Neuroscience

·March 25, 2024·5 min read

Longer Genes May Drive Aging

Four independent studies converge on the groundbreaking conclusion that the activity of long genes may be the key driver behind aging. This insight, marking a significant shift from traditional gene-specific aging theories, suggests that conditions affecting long gene activity, like smoking or caloric restriction, can accelerate or slow down aging, respectively.

Featured Neuroscience Psychology

·March 23, 2024·5 min read

Psychology of Stock Choices: High Risk or Steady Gains?

Researchers conducted a study exploring why investors are drawn to high-risk IPO shares despite their generally low returns, comparing this allure to the steady yet modest returns of investments like catastrophe bonds. The study involved participants choosing between stocks with varying return profiles, revealing a preference for investments that yield frequent returns over those with occasional high gains.

Featured Neuroscience Psychology

·March 23, 2024·3 min read

Emotion vs. Reason: Rethinking Decision-Making

Researchers challenge the notion that rational thinking is the only path to good decision-making. Highlighting the limited role of rationality in our choices, the researchers emphasize the profound influence of emotions, as demonstrated in his wine tasting study where perceived value affected enjoyment.