Tag: "impulsive" at biology news
Society for Psychophysiology Research
...helping antisocial children who are aggressive and impulsive
cope with frustration normalized the these children's brain waves. Underscoring the link between brain and behavior, these findings suggest that behavioral interventions for antisocial children may modify not only the antisocial behavior itself but ...
Brain differences in adolescents, psychopaths, lend to their impulsive, risk-taking behavior
...mature decision making, increased risk taking, and impulsive
behaviors. As a result of this research, scientist...risk, suggesting that the pubescent rats were more impulsive
than the adults. No sex differences were found at any age. "Puberty appears to be a specia...
Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
...Dr B Kerr and Dr E Fernandez-Juricic Animals make impulsive
choices: preferring small but immediate food rewar... the long-term costs of impulsiveness.In addition, impulsive
rules have a discrimination advantage over far-sighted rules. This may have practical implications ...
Impulsive behavior may be relict of hunter-gatherer past
...s has found what may be the evolutionary basis for impulsive
behavior. Such behavior may have evolved because i...ook too far in the future,'" Stephens said. "Being impulsive
works really well because after grabbing the food, they can forget it and go back to their original ...
Worth the wait? A neural mechanism related to impulsive decision-making
...e pigeon forebrain that play a role in controlling impulsive
decisions--in the pigeons' case, the preference fo...ent example of such sub-optimal choice behavior is impulsive
decision-making, in which case an immediate but disadvantageous reward may be preferred over a delay...
New clue to cocaine addicts' quirky behavior
...itry mechanism whose disruption contributes to the impulsive
behavior seen in users of cocaine as well as other...ribute to the affective- and context-inappropriate impulsive
behaviors that are characteristic of drug addiction."...
For two primates, patience takes different forms, shaped by ecology
...arins feed on insects, a food that requires quick, impulsive
action. Yet it had been unclear whether this impulsivity depended on context. In the new work, the researchers tested whether these same two monkey species act impulsively "over space" as well as over time. The scientists found that when faced with a...
Breakdown of myelin insulation in brain's wiring implicated in childhood developmental disorders
... of Medicine, concludes that the high incidence of impulsive
behaviors that characterize the teen years as well as many psychiatric disorders that occur in the teens and 20s are related to incomplete myelination of inhibitory "stop" brain circuits, while the "go" circuits become fully functional earlier in dev...
Aggression-related gene weakens brain's impulse control circuits
A version of a gene previously linked to impulsive
violence appears to weaken brain circuits that reg...is gene likely contributes to risk for violent and impulsive
behavior through effects on the developing brain. NIMH intramural researchers Andreas Meyer-Linden...
Personality and parents' alcoholism interact to influence a person's risk of becoming an alcoholic
...-taking, exploratory, thrill-seeking and sometimes impulsive
personality characteristics. Children, especially boys, who exhibit these characteristics have a high likelihood of becoming alcoholics as adults. Recent findings indicate that this risk is further enhanced if these children have an alcoholic paren...
Researchers find not all drugs are equal in treating teen drivers with ADHD
...inattentive driving errors and less hyperactive or impulsive
driving errors, such as speeding and inappropriate braking, compared with Adderall XR and placebo. "This was the first study of its kind to demonstrate that OROS methylphenidate has therapeutic benefits among teens for up to 15 hours," said Cox. "W...
Low levels of neurotransmitter serotonin may perpetuate child abuse across generations
...nin are associated with anxiety and depression and impulsive
aggression in both humans and monkeys. Abused females who became abusive mothers in adulthood had lower serotonin in their brains than abused females who did not become abusive parents, the research showed. Because the biological make up of human...
Impulsiveness linked to activity in brain's reward center
...triking a balance between gratification and delay, impulsive
action and prudent choice, that can have far-reaching implications for our current and future well-being," says Hariri. The team aims to examine the role of specific factors that drive the sensitivity of the ventral striatum next. One target of futu...