Face value: Brain’s ability to recognize faces is shaped through repeated exposure, study suggests

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Scientists have long deemed the ability to recognize faces innate for people and other primates — something our brains just know how to do immediately from birth. However, the findings of a new Harvard Medical School study published Sept. 4 in the journal Nature Neuroscience cast doubt on this longstanding view. Working with macaques temporarily deprived of […]

Unraveling Alzheimer’s: New study documents how brain cells go bad

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In the brains of people with Alzheimer’s disease, there are abnormal deposits of amyloid beta protein and tau protein, and swarms of activated immune cells. But scientists do not fully understand how these three major factors combine to drive the disease. Now, UNC School of Medicine and National Institutes of Health researchers have untangled the […]

New possibility of studying how Alzheimer’s disease affects the brain at different ages

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Alzheimer’s disease can lead to several widely divergent symptoms and, so far, its various expressions have mainly been observed through the behaviour and actions of patients. Researchers at Lund University in Sweden have now produced images showing the changes in the brain associated with these symptoms — a development which increases knowledge and could facilitate […]

How various brain areas interact in decisions

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Our decisions can be pictured in the brain. Scientists at the University of Zurich were able to show in a recent study which areas are most active in decision making. Often the so-called prefrontal cortex not only apparently shows increased activity during decisions that require self-control, but in general during decision making. The results could […]

Risky decision making on brains of methamphetamine users examed with imaging

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Methamphetamine users showed less sensitivity to risk and reward in one region of the brain and greater sensitivity in other brain regions compared with non-users when performing an exercise involving risky decision making. Deficiencies in decision making are linked to addiction. Chronic methamphetamine use is associated with abnormalities in the neural circuits of the brain […]

High moral reasoning associated with increased activity in the human brain’s reward system

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Individuals who have a high level of moral reasoning show increased activity in the brain’s frontostriatal reward system, both during periods of rest and while performing a sequential risk taking and decision making task according to a new study from researchers at the Perelman School of Medicine, the Wharton School of the University of Pennsylvania, […]