MeSH tree: A08.186.211.200.885.287.500.270
Humans and other animals gradually learn what sounds or other sensory cues in their surroundings are meaningful or potentially threatening. Via a process known as habituation, they gradually learn to ignore non-threatening ...
Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) belong to a spectrum of neurodegenerative diseases with overlapping symptoms, characterized by muscle wasting, paralysis, dementia, and other serious impairments. ...
Mar 12, 2026
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It is well established in psychology that humans conceptualize emotions by features known as valence (the degree of pleasantness or unpleasantness) and arousal (the intensity of bodily reactions, such as rapid breathing or ...
Mar 10, 2026
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Drug addiction carries an extremely high risk of relapse, as cravings can be reignited by minor stimuli even long after one has stopped using. Previously, this phenomenon was attributed to a decline in the function of the ...
Mar 10, 2026
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Increasing our level of physical fitness leads to a bigger release of brain-boosting proteins following one session of exercise, finds a new study led by a UCL researcher. The study, published in Brain Research, took a group ...
Mar 9, 2026
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Mayo Clinic researchers have identified a hidden "movement map" deep within the brain—a discovery that could help surgeons reduce side effects from epilepsy procedures and guide future treatments for speech and movement disorders. ...
Mar 4, 2026
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A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in emotion, learning, and decision making—is simply the brain's primitive "fear center," reflexively ...
Feb 24, 2026
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Periods of prolonged social isolation have long been associated with difficult emotions and, in some cases, with the emergence of psychiatric symptoms, such as depression, anxiety, and difficulties connecting with others. ...
I don't think I've ever laughed harder than during a church service, when something faintly ridiculous caught my eye. My friend saw it too, and once she started laughing, it became impossible to stop. Years later I've tried ...
Feb 20, 2026
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For most people, the intense ache that follows the death of a loved one eventually softens, and daily life resumes. But for some, the pain does not ease with time—a condition known as prolonged grief disorder (PGD). In a ...
Feb 18, 2026
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