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
April 13, 2025
Apr. 9, 2025 — From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought unattainable: building a complete functional wiring diagram of a portion of the ...
Apr. 2, 2025 — A new analysis of a vaccination program in Wales found that the shingles vaccine appeared to lower new dementia diagnoses by 20% -- more than any other known ...
Mar. 31, 2025 — New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over ...
Mar. 27, 2025 — Most haptic devices only deliver feedback as simple vibrations. New device applies dynamic forces in any direction to simulate a more realistic sense of touch. Small, lightweight device can enhance virtual reality, help individuals with visual ...
Latest Headlines
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Apr. 10, 2025 — Marathon runners experience reversible changes in their brain myelin. These findings indicate that myelin (a substance that surrounds the neurons) exhibits behavior that was previously unknown, and ...
Apr. 10, 2025 — Nursing poses major metabolic demands on mothers, to which they respond by eating more and saving energy to sustain milk production. There are significant hormonal changes during lactation, but how ...
Apr. 10, 2025 — A new study using functional magnetic resonance imaging (fMRI) reveals the neural mechanisms that contribute to urinary incontinence, a common condition affecting stroke survivors that has a ...
Apr. 9, 2025 — While some studies have suggested that having a mother with Alzheimer's disease may put you more at risk of developing the disease, a new study finds that having a father with the disease may be tied ...
Apr. 8, 2025 — A study has demonstrated the effectiveness of a technology-assisted intervention for perinatal ...
Apr. 9, 2025 — A new study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with ...
Apr. 9, 2025 — In a new study, researchers created an AI model of the mouse visual cortex that predicts neuronal responses to visual ...
Apr. 9, 2025 — In a massive scientific effort, hundreds of researchers have helped to map the connections between hundreds of thousands of neurons in the mouse ...
Apr. 9, 2025 — A small protein involved in neurodegeneration leading to Parkinson's disease also drives a type of skin cancer known as melanoma, according to new ...
Apr. 9, 2025 — Shifting cultural perceptions of beauty could drive 'lip dysmorphia', so psychologists tested the response of 32 people to altered images of lips to see how they responded. The results were ...