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 Posted: Sun Nov 08, 2009 1:55 pm |
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Study finds bad drivers have faulty gene
Sun, 08 Nov 2009 15:16:33 GMT
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Apart from the lack of driving skills, genetics can also be
blamed in those known to be bad drivers, a new study finds.
According to the study published in Cerebral Cortex,
individuals with a particular gene variant are 20 percent
more likely to do worse on driving tests.
The gene variant reduces the availability of a protein
called brain-derived neurotrophic factor (BDNF), which
facilitates brain cell communication and helps them retain
memory.
Individuals with this gene, therefore, have a weaker memory,
make more errors and forget what they have learned faster.
The study found that 30 percent of Americans have this
particular gene variant.
Scientists also found that the variant can slow down the
pace of mental loss in those with Parkinson's, Huntington's
and multiple sclerosis.
PKH/HGH
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Language disorder gene identified
Sat, 08 Nov 2008 22:48:55 GMT
British researchers have identified a certain gene, CNTNAP2,
which causes the development of common childhood language
disorders.
Previous studies had reported that more than four dozen
brain-related genes including contactin-associated protein-
like2 (CNTNAP2) are potentially regulated by FOXP2, a gene
involved in several communication defects.
Some studies had also shown the association between CNTNAP2
variants and autism, indicating that high levels of CNTNAP2
accumulate in language-related areas of the brain.
According to the study published in the New England Journal
of Medicine, the existence of certain points on the FOXP2-
regulated gene may result in specific language impairment
(SLI).
Findings revealed that individuals carrying one or two
copies of CNTNAP2 variants are more likely to suffer from
SLI.
Specific language impairment (SLI) is an unexplained
difficulty in producing and understanding language,
associated with delayed vocabulary and grammar skills in
healthy and intelligent children.
PKH/HGH
Genes determine number of friends
Tue, 27 Jan 2009 19:03:57 GMT
American researchers believe genes determine an individual's
likely place in social groups and the number of friends
he/she may make.
According to a study published in the Proceedings of the
National Academy of Sciences, genes explain why some people
have more friends than others as well as their degree of
connectivity.
Genes influence the personality of different individuals;
they also control the strength of their connection with
other people, indicating that social networks are a
fundamental part of ones genetic heritage.
Previous studies had found that a mutation in the serotonin
receptor gene 5-HT2A is linked to the variation between an
individual's popularity in the groups.
Michigan State University researchers had previously
reported that obesity, smoking and happiness also spread in
networks.
PKH/HGH
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and Christ shall give thee light. For my yoke is easy, and my burden is light. |
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