Reference Terms
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Intelligence quotient
An intelligence quotient or IQ is a score derived from a set of standardized tests developed to measure a person's cognitive abilities ("intelligence") in relation to their age group.
Note: The above text is excerpted from the Wikipedia article "Intelligence quotient", which has been released under the GNU Free Documentation License.
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Mind & Brain News
December 16, 2024
Dec. 9, 2024 — The short-term boost our brains get after we do exercise persists throughout the following day, suggests a new ...
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 ...
Latest Headlines
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Dec. 16, 2024 — The lateral habenula is a brain region associated with behavioral changes and autonomic responses during psychological stress. Researchers at the ...
Dec. 11, 2024 — Researchers have made a discovery regarding the TRPV1 (transient receptor potential vanilloid 1) ion channel and its role in pain perception. The ...
Dec. 16, 2024 — A new psychological study has shown that when people know they are under surveillance it generates an automatic response of heightened awareness of being watched, with implications for public mental ...
Dec. 16, 2024 — A new article sheds light on how age-related changes may affect the way we handle finances -- and how we can stay sharp as we ...
Dec. 16, 2024 — Just as a conductor coordinates different instruments in an orchestra to produce a symphony, breathing coordinates hippocampal brain waves to strengthen memory while we sleep, reports a new study. ...
Dec. 16, 2024 — This bioengineering breakthrough has found a way to make neurons grown in a dish react just like the real ...
Dec. 5, 2024 — Researchers have discovered a new population of neurons that is responsive to the hormone leptin. Leptin responsive neurons are important in obesity since leptin is sent to the brain from the body's ...
Dec. 16, 2024 — Endocannabinoids in the brain play a key role in food intake and energy use. Modulating the action of these molecules could help fight obesity, say ...
Dec. 16, 2024 — Craniopharyngiomas are brain tumors that negatively impact the hormonal function of the nearby pituitary. The tumor location often prevents necessary ...
Dec. 16, 2024 — A study is the first-of-its-kind to recognize American Sign Language (ASL) alphabet gestures using computer vision. Researchers developed a custom ...