Not exact matches
Studies on genes,
brain structures and hormones have failed to identify a clear
link between, on one hand,
differences at birth between the sexes and, on the other, particular behaviour.
They found that adverse experiences in young children are
linked to
differences in a
brain structure that regulates emotions and helps make decisions.
In particular, the study, published Jan. 6 in the journal Molecular Psychiatry, revealed
differences in the white matter of patients»
brains and in the cerebellum, an area of the
brain not previously
linked with the disorder.
Besides
differences in genes
linked to
brain development, Erik Axelsson of Uppsala University in Sweden and colleagues found three genes in dogs that are vital for digestion and extend their ancestral carnivorous diet to include starch (Nature, DOI: 10.1038 / nature11837).
These variations in abilities and talents presumably arise from
differences among our
brains, and many studies have
linked certain very specific tasks with cerebral activity in localized areas.
This confirmed that variations in PKRCA are
linked to the capacity for emotional memory, and further revealed that they were also associated with
differences in
brain activity during memory encoding.
The
differences in fear sensitivity are likely to be innate, at least in part: dysfunction in the amygdala, a
brain area important for processing fear, has previously been
linked to psychopathic behaviour, and genetic factors must underlie some of these
differences.
Previous studies have also shown
brain anatomy
differences associated with income, but did not
link those
differences to academic achievement.
We want to examine in more detail how individual
differences, for example in empathy, are
linked to the functioning of the emotional systems of the
brain.
It's possible that this pattern of female addiction could be
linked to the
brain size
difference.
Avram Holmes, a psychologist at Yale University, and a team of researchers from Harvard University and Massachusetts General Hospital in Boston, found that increased impulsivity and sensation - seeking in healthy young adults was
linked to distinct
differences in their
brain structures: the areas involved in decision - making and self - control had a thinner cortex, the
brain's wrinkled outer layer or gray matter.
Previous research from other studies had
linked hearing loss with marked
differences in
brain structure compared to those with normal hearing, both in humans and animals.
It's the first time scientists have shown in selectively bred animals that the propensity for addiction is
linked to
differences in expression of genes for specific molecules in a specific
brain region.
Genetics and specific
brain regions are
linked to sex
differences in chimpanzees» scratching behavior, a common indicator of anxiety in humans and others primates, according to a research study led by Georgia State University that shows chimpanzees can be models of human mental illness.
PEOPLE with a gene variant known to be
linked to aggression may have been born with key
brain differences that could make them more likely to snap under pressure.
«Genetics and
brain regions
linked to sex
differences in anxiety - related behavior in chimpanzees.»
The epithet dogs even some functional MRI studies, which seek to
link specific thought processes to corresponding regions of the
brain by measuring moment - to - moment
differences in blood flow.
Now psychiatrist Andreas Meyer - Lindenberg and colleagues from the US National Institute of Mental Health in Bethesda, Maryland, have discovered
differences in
brain structure and function that might underlie this
link.
A team of scientists at the University of Cambridge has discovered that specific genes are
linked to individual
differences in
brain anatomy in autistic children.
«This distinction is
linked not just to
brain activations selective to the processes studied but is also due to the
difference in connections with other cerebral regions that require these two operations,» continues Grandjean.
This helps to assure that the
links between physical activity,
brain development and achievement are actually caused by the
differences in activity rather than reflecting the characteristics of the children who choose to be more or less physically active.
«The answer is short and forceful: yes, physical fitness in children is
linked in a direct way to important
brain structure
differences, and such
differences are reflected in the children's academic performance.»
University of North Carolina at Chapel Hill researchers and colleagues
linked infant
brain anatomy
differences to autism diagnoses at age two.
Genetic variation in HDAC4 among the women was
linked to a lower level of HDAC4 gene activity and
differences in their ability to respond to and recover from fear, and also
differences in «resting state»
brain imaging.