Heat waves may increase the likelihood of seizures in people with epilepsy
Heat waves can worsen abnormal excitability of the brain in people with epilepsy, finds a new small-scale patient study by clinical scientists at UCL.
Sep 10, 2024
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Heat waves can worsen abnormal excitability of the brain in people with epilepsy, finds a new small-scale patient study by clinical scientists at UCL.
Sep 10, 2024
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Researchers at Baylor College of Medicine and the Jan and Dan Duncan Neurological Research Institute at Texas Children's Hospital have uncovered a new cell type in the human brain.
Sep 5, 2024
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Injuries, infection and inflammatory diseases that damage the spinal cord can lead to intractable pain and disability. Some degree of recovery may be possible. The question is, how best to stimulate the regrowth and healing ...
Aug 2, 2024
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A new study has uncovered the pivotal role of a brain structure called the claustrum in regulating engagement, from deep sleep to waking behavior.
Jul 1, 2024
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Potassium channels are openings that allow charged potassium atoms to cross the cell membrane. Voltage-gated potassium channels—which open only when a specific voltage is reached across the cell membrane—are essential ...
Jun 27, 2024
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Policing is a profession that features shift work and long hours, both of which can lead to insufficient sleep and fatigue. Because of the unique demands of the job, fatigue raises risks related to decision making, impulse ...
Jun 21, 2024
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By ditching "pop psychology" myths about habits, we can better understand our habits and take more effective action, according to researchers at the University of Surrey.
Jun 6, 2024
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We can all act on an impulse, with some seemingly doing it more often and others less. Psychologists have been studying impulsivity as a personality trait since the 1930s and have linked impulsivity to a variety of harmful ...
Jun 4, 2024
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An analysis by researchers in the Department of Psychiatry at the University of Arizona College of Medicine—Tucson showed that risks for death by suicide and homicide peak at night, with nocturnal wakefulness, age, alcohol ...
May 29, 2024
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A group of researchers from Chalmers University of Technology in Sweden, University of Freiburg and the Netherlands Institute for Neuroscience have created an exceptionally small implant with electrodes the size of a single ...
May 7, 2024
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Impulsivity (or impulsiveness) is a personality trait characterized by the inclination of an individual to initiate behavior without adequate forethought as to the consequences of their actions, acting on the spur of the moment. Eysenck and Eysenck related impulsivity to risk-taking, lack of planning, and making up one's mind quickly. Impulsivity has been shown to be a major component of various neuropsychiatric disorders such as ADHD, substance abuse disorders and bipolar disorder. Impulsivity has been shown to have a genetic component and may be inheritable. Abnormal patterns of impulsivity may also be an acquired trait as a result of various neurodegenerative diseases, traumatic brain injury (TBI), hypoxic ischemic encephalopathy, intrauterine hypoxia, bacterial or viral infections or neurotoxicity as a result of chemical exposure. The orbitofrontal cortex and right inferior frontal gyrus have been shown to play a part in impulse control.
As a personality trait, impulsivity is part of normal behavior as it contributes to adaptive functioning. To do something and not be aware, especially for young children, is relatively common. Recent psychological research has suggested that there are various facets of impulsivity. Some researchers have proposed a 3-factor model according to impulsivity; attentional ("getting easily bored"), motor ("going into action") and cognitive ("inability to plan") factors. Recent theories have suggested five separate aspects of impulsivity:
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