Even if a scan
shows abnormal activity in a brain region associated with impulse control or regulation of emotions, such imaging provides no more than probabilistic information, Hyman said.
Those with OCD
showed abnormal activity in the supervisory regions important for goal - directed behavior but not in those responsible for habit formation.
Previous imaging studies have revealed two brain regions that often
show abnormal activity in these patients: the subgenual anterior cingulate cortex (sgACC) and the amygdala.
Not exact matches
Previous studies from this group have
shown that lowering tau levels reduces
abnormal brain
activity in models of Alzheimer's disease, but this is the first demonstration that tau reduction may also be beneficial in intractable genetic epilepsy.
Second, the mice also
showed dramatic increases in brief (lasting 2 - 3 seconds) bouts of
abnormal brain wave
activity.
Previous studies have
shown that this forebrain - midbrain circuit is
abnormal in panic and chronic anxiety patients who
show decreased vmPFC but increased gray matter volume and
activity in the midbrain encompassing the PAG (24, 25).
Both self - described psychics and people with schizophrenia also
showed abnormal neuronal
activity in several brain regions responsible for monitoring our internal representations of reality.
Previous research led by Dr Sylvain Briault has
shown that the combination of intellectual disability and autistic disorder is associated with
abnormal activity of the BKCa potassium channel.
In the study, they
show how levetiracetam — a drug commonly prescribed for patients who suffer from epilepsy — suppresses
abnormal brain
activity and restores memory function in these mice.
A population - based case - control study in the United States
showed that higher intake of coffee, and especially caffeine, was associated with a lower prevalence of
abnormal alanine aminotransferase
activity [86].
These findings suggest that preschool children with high levels of disruptive behavior may
show abnormal brain
activity during certain self - regulation sub-processes, informing potential advances in conceptualizing and treating early disruptive behavior.