Reference Terms
from Wikipedia, the free encyclopedia
Fear
Fear is an unpleasant feeling of perceived risk or danger, whether it be real or imagined.
Note: The above text is excerpted from the Wikipedia article "Fear", which has been released under the GNU Free Documentation License.
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Mind & Brain News
December 9, 2024
Dec. 3, 2024 — Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high ...
Dec. 4, 2024 — Exposure to car exhaust from leaded gas during childhood altered the balance of mental health in the U.S. population, making generations of Americans more depressed, anxious and inattentive or hyperactive, according to researchers. They estimate ...
Dec. 2, 2024 — Researchers have linked a specific type of body fat to the abnormal proteins in the brain that are hallmarks of Alzheimer's disease up to 20 years before the earliest symptoms of dementia appear, according to a new study. The researchers emphasized ...
Nov. 13, 2024 — Could social bonds be the key to human big brains? A study of the fossil teeth of early Homo from Georgia dating back 1.77 million years reveals a prolonged childhood despite a small brain and an ...
Latest Headlines
updated 12:56 pm ET
Dec. 9, 2024 — A new study is helping solve the mystery as to why the brain shrinks in a unique pattern, known as atrophy, in chronic traumatic encephalopathy ...
Dec. 9, 2024 — Researchers have published two studies in which they surveyed readers on their thoughts about AI in journalism. When provided a sample of bylines ...
Dec. 9, 2024 — Loneliness and isolation among older Americans have mostly returned to pre-pandemic rates, but that still means more than one third of people age 50 ...
Dec. 2, 2024 — Alcohol's ability to increase people's pain threshold is one reason that drinking also leads to more aggressive behavior, a new study suggests. Researchers found that the less pain that study ...
Dec. 2, 2024 — Increasing the levels of chemicals naturally produced in the body called endocannabinoids may thwart the highly addictive nature of opioids such as morphine and oxycodone while maintaining the drugs' ...
Dec. 5, 2024 — In a study, scientists challenge a fundamental tenet in neuroscience about the shape of axons -- the long, thin filaments radiating from nerve cells ...
Dec. 5, 2024 — Circadian clocks control physiological processes and behavior in virtually all living organisms. Now an international research team has created a detailed map of the internal clock in the brain of ...
Dec. 5, 2024 — A study analyzed data from nearly 500,000 Canadian patients who lived in nursing homes across Canada between 2000 and 2022. It found that residents who were given antipsychotic medications showed a ...
Dec. 8, 2024 — New research shows that adopting a healthy diet can reduce the severity of chronic pain, presenting an easy and accessible way for sufferers to better manage their ...
Dec. 8, 2024 — Bucking conventionality, boys in Norway are making early gains in reading English as a second language and even outperforming girls at age 10 and 13 ...