A study conducted by researchers in Brazil shows patients with chronic migraine are three times as likely to suffer from severe temporomandibular disorder. Though not a primary cause, the disorder is thought to accentuate and perpetuate sensitivity to pain; therefore, researchers recommend in chronic migraine clinical practice the assessement of the disorder's symptoms.
Our self-control may not be a finite resource that diminishes throughout the day, but we may still experience fatigue while persisting in a single task, according to a study published Sept. 20, 2017 in the open-access journal PLOS ONE by Daniel Randles from the the University of Toronto, Canada and colleagues.
Researchers at McGovern Medical School at UTHealth have discovered a way to turn neutrophils from toxic to helpful after a hemorrhagic stroke.
The human and non-human primate brain is remarkable in recognizing partially hidden objects. A study, conducted during a shape recognition task, shows as more of the shape is hidden, a brain area involved in cognition starts to sends signals to the visual cortex. The findings make the scientists wonder if this communication between different brain areas might be impaired in people with autism or Alzheimer's. Both conditions can cause confusion in cluttered surroundings and problems recognizing objects.
Lack of motivation or boredom with school isn't to blame for squirming by children with Attention Deficit Hyperactivity Disorder. Symptoms such as fidgeting, foot-tapping and chair-swiveling are triggered by cognitively demanding tasks - like school and homework. But movies and video games don't typically require brain strain, so the excessive movement doesn't manifest.
Alpha-synuclein, a sticky and sometimes toxic protein involved in Parkinson's disease, blocks signals from the growth factor BDNF, adding to evidence that alpha-synuclein is a pivot for brain cell damage. Also helps explain why cells that produce dopamine are more vulnerable to degeneration.
Researchers from the University of Adelaide have found a new link between the brain's immune system and the desire to drink alcohol in the evening.
Rutgers scientists say a new study indicates that the excessive burst of new brain cells after a traumatic head injury that researchers have traditionally believed helped in recovery could instead lead to epileptic seizures and long-term cognitive decline.
University of Adelaide researchers have confirmed that abnormalities in a common brain chemical are linked to sudden infant death syndrome (SIDS).
Unsuccessful courtship attempts by males create aversive memories that can reduce their level of enthusiasm for subsequent courtship attempts. Scientists at UC Riverside and colleagues have attempted to understand this behavior at the molecular level. Using the fruit fly as a model organism, the researchers show that the body's hormonal state is critical to the maintenance of such "courtship memories." Two hormones and dopamine, a neurotransmitter, are required in the brain to maintain courtship memories.