Intelligence News -- ScienceDaily

Intelligence - nature or nurture? Researchers find a gene for intelligence and also that a bigger brain matters, yet other recent articles show how motivation affects learning.

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How the brain balances emotion and reason

Navigating through life requires balancing emotion and reason, a feat accomplished by the brain region 'area 32' of the anterior cingulate cortex. The area maintains emotional equilibrium by relaying information between cognitive and emotional brain regions, according to new research.

Evolutionary and heritable axes shape our brain

Every region has its place in the brain. However, it has been unclear why brain regions are located where they are. Now, scientists have defined two main axes along which brain regions are genetically organized, stretching from posterior to anterior and inferior to superior in the brain. These axes are mainly shaped by genes and evolution.

Researchers explore how the human brain is so resilient

Future technology may be able to monitor and modify the brain to produce enhanced team performance, while increasing the efficiency and accuracy of decisions.

Amyloid deposits not associated with depression in the elderly

Researchers have suspected that amyloid beta deposits might also underlie the cognitive decline seen in older people with depression, however a new study has found that abnormal amyloid beta deposits were actually found in fewer older adults with major depression compared to non-depressed control subjects.

Diabetes: Metformin treatment linked to slowed cognitive decline

A six-year study of older Australians with type 2 diabetes has uncovered a link between metformin use, slower cognitive decline and lower dementia rates.

Primate brain size does not predict their intelligence

A research team has systematically investigated the cognitive abilities of lemurs, which have relatively small brains compared to other primates. Conducting systematic tests with identical methods revealed that cognitive abilities of lemurs hardly differ from those of monkeys and great apes. Instead, this study revealed that the relationship between...

World first study links obesity with reduced brain plasticity

A world-first study has found that severely overweight people are less likely to be able to re-wire their brains and find new neural pathways, a discovery that has significant implications for people recovering from a stroke or brain injury.

Sport and memory go hand in hand

If sport is good for the body, it also seems to be good for the brain. By evaluating memory performance following a sport session, neuroscientists demonstrate that an intensive physical exercise session improves memory. How? Through the action of endocanabinoids, molecules known to increase synaptic plasticity. School programs and strategies aimed at...

Complications from diabetes linked to worse memory, IQ in children

A new study uncovered that even one severe episode of diabetic ketoacidosis (DKA) in children newly diagnosed with type 1 diabetes is linked to cognitive problems; and among children with a previous diagnosis, repeated DKA exposure predicted lower cognitive performance after accounting for glycemic control.

Playing video games as a child can improve working memory years later, researchers find

New research reveals how cognitive changes can take place even years after people stop playing.

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