Summary: A new study estimates that childhood lead exposure, peaking between 1960 and 1990 due to leaded gasoline, caused 151 million excess cases of mental illness by 2015. Researchers linked…
Category: Psychology
How We Filter Out Background Sounds When Speaking
Summary: Researchers have traced how the brain filters out background noise during speech using signals between the motor and auditory cortices. These milliseconds-long electrical signals, called auditory corollary discharge, originate…
Empathy Loss in Dementia Linked to Brain Activity Changes
Summary: Frontotemporal dementia, affecting about 3% of dementia patients in Sweden, is characterized by a loss of empathy that challenges patients and their families. Using functional MRI, researchers found that…
How Alcohol Increases Pain Tolerance, and Aggression
Summary: Alcohol not only raises pain tolerance but also amplifies aggression, according to a new study. Researchers found that participants who drank alcohol had higher pain thresholds and were more…
Masculine Ideals Double Suicide Risk in Men
Summary: Men who strongly adhere to traditional masculine ideologies, such as suppressing emotions and valuing independence, are more than twice as likely to attempt suicide compared to those with more…
Family History of Mental Illness Increases Aggression Risk in CTE
Summary: A new study reveals that individuals with chronic traumatic encephalopathy (CTE) and a family history of mental illness have a heightened risk of aggression during adulthood, particularly between ages…
Depression Linked to Increased Menstrual Pain
Summary: Depression may increase the risk of menstrual pain, or dysmenorrhea, through mechanisms such as sleep disturbances. Using genetic analysis, researchers found that depression likely causes period pain, rather than…
Finger Lengths May Reveal Insights Into Drinking Habits
Summary: The relative lengths of your fingers might be linked to your alcohol consumption patterns. Researchers found that individuals with longer 4th (ring) fingers relative to 2nd (index) fingers, indicating…
How Memories Shape Decisions and Future Well-Being
Summary: A new framework integrates psychology and economics to show how memorable experiences influence long-term decision-making. Their model separates the immediate utility of consumption from the lasting “remembered utility” derived…
Fitness Trackers Detect Mood Episodes in Bipolar Disorder with High Accuracy
Summary: Data from fitness trackers can detect mood episodes in individuals with bipolar disorder with up to 89.1% accuracy for mania and 80.1% for depression. Researchers used passively collected, noninvasive…
