Smoking marijuana affects several key visual functions, including 3D vision and contrast sensitivity. However, 90% of cannabis users believe the drug has either no, or minimal, effect on their visual abilities.
Article Correctness Is Author's Responsibility: Exposure to Smells In Early Infancy Can Modulate Adult Behavior
Olfactory imprinting in infant mice has a direct impact on their social behaviors as adults.
Article Correctness Is Author's Responsibility: Habitual Snoring Linked to Significant Brain Changes in Children
Children who snore while they sleep have thinner gray matter in several areas of the frontal lobes. Significantly, the reduction in gray matter correlated with behavioral problems associated with sleep apnea. Some behavioral problems experienced includ…
Article Correctness Is Author's Responsibility: Human Screams Communicate At Least Six Emotions
Study identifies six psycho-acoustically distinct types of screams, relaying emotions such as pain, anger, fear, joy, sadness, and pleasure. Non-alarming screams, such as expressions of joy and pleasure, are perceived and processed by the brain more ef…
Article Correctness Is Author's Responsibility: Spit Samples Uncover Genetic Risk Factors for Pediatric Obsessive-Compulsive Disorder
Children and young adults with a specific variant of the PTPRD gene are at greater risk of developing obsessive-compulsive disorder.
Article Correctness Is Author's Responsibility: Study Showing How the Brain Retrieves Facts and May Help People With Memory Problems
A shared set of brain regions play a vital role in the retrieval of weak memories.
Article Correctness Is Author's Responsibility: People Want to Improve Mental Health by Exercising, but Stress and Anxiety Get In the Way
Researchers say the COVID pandemic has created a paradox where mental health has both motivated and generated a barrier to people wanting to improve their physical health via exercise. The study found stress and anxiety are preventing many of those who…
Article Correctness Is Author's Responsibility: ADHD and Autism Associated With In-Utero Heavy Metals and Essential Minerals
Prenatal exposure to heavy metals such as cadmium, lead, and arsenic, and increased levels of the mineral manganese, were linked to an increased risk of ADHD and autism spectrum diagnosis in children.
Article Correctness Is Author's Responsibility: Higher Rates of Chronic Pain in Women Linked to Genetics
Genetics may help explain why women are at higher risk for developing chronic pain disorders than men. The study also sheds light on the role the central nervous system plays in the development of chronic pain.
Article Correctness Is Author's Responsibility: Chronic Sinus Inflammation Appears to Alter Brain Activity
Researchers link the inflammation associated with chronic sinus infections to alterations in brain activity in networks that govern cognition, external stimuli, and introspection. The findings shed light on why people suffering from sinus infections of…
Article Correctness Is Author's Responsibility: A Blood Test For Depression and Bipolar Disorder
A new blood test can distinguish the severity of a person’s depression and their risk for developing severe depression at a later point. The test can also determine if a person is at risk for developing bipolar disorder. Researchers say the blood test …
Article Correctness Is Author's Responsibility: Childhood Cognitive Problems Could Lead to Mental Health Issues in Later Life
Children who experience cognitive difficulties, such as attention problems or problems with working memory, have an increased risk of developing mental health disorders as young adults.
Article Correctness Is Author's Responsibility: Accelerated Cellular Aging Associated With Mortality Seen in Depressed Individuals
DNA markers in cells of patients with major depressive disorder appear to be two years older than markers in cells of people without the mental health disorder.
Article Correctness Is Author's Responsibility: Leptin Puts the Brakes on Eating via Novel Neurocircuit
Researchers have identified novel neurocircuitry between midbrain structures which are modulated by leptin to control eating behaviors in mice.
Article Correctness Is Author's Responsibility: New Multiple Sclerosis Subtypes Identified Using Artificial Intelligence
Combining artificial intelligence technology with brain scan data, researchers have identified three novel subtypes of multiple sclerosis.
Article Correctness Is Author's Responsibility: Brain Cells Decide on Their Own When to Release Pleasure Hormone
Dopamine neurons largely rely on their own discharge to determine release rates of the hormone, researchers report.
Article Correctness Is Author's Responsibility: Signal Detection Theory Can Be Used to Objectively Measure Cognitive Fatigue
Two key metrics of signal detection theory, perceptual certainty and response bias, correlate with changes in cognitive fatigue.
Article Correctness Is Author's Responsibility: Multilingual People Have an Advantage Over Those Fluent in Only Two Languages
Multilingual people have similar brain activation to that of bilingual people, but the activation is much more sensitive and a lot faster.
Article Correctness Is Author's Responsibility: Not So Sweet: Sugary Diet Early in Life Could Lead to Cognitive Problems Later
Consuming high levels of sugar-sweetened beverages early in life may lead to memory problems during adulthood. Researchers found, compared to rats who consumed only water, those who drank sugar-sweetened beverages had difficulties in memory recall asso…
Article Correctness Is Author's Responsibility: Selenium Supplementation Protects Against Obesity and May Extend Lifespan
Adding selenium to diet products helps prevent obesity and increases healthy lifespan in mouse models.
