Scientists have for the
first time observed a connection between particular brain centres and the
presence of talent, success and positive lifestyle choices in people. The fMRI technique opens
the door to extensive research which could improving human cognition.
The
research was undertaken by the University of Oxford’s Centre for Functional MRI
of the Brain (FMRIB). It took a large sample of 461 individuals, and crossed
them with 280 behavioral traits, as well as demographic, traits – including
language, vocabulary, education, income and others.
RT report continues:
The
initiative was part of the US$30 million Human Connectome Project (HCP), funded
by the US National Institutes of Health, aimed at studying the neural pathways
of the brain. In this particular study, the Oxford team wished to create an
average map of the brain’s processes.
© Chris
Helgren / Reuters
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“You
can think of it as a population-average map of 200 regions across the brain
that are functionally distinct from each other,” Professor Stephen Smith of
Oxford University, said.
“Then,
we looked at how much all of those regions communicated with each other, in
every participant.”
The
resulting maps, which the scientists called connectomes, included 280
behavioral and demographic traits for each subject. Compiling all data, a
‘canonical correlation analysis’ was able to establish correlations between the
two data sets.
The
analysis found correlations between the presence of some positive traits and
how well wired-up the corresponding parts of the brain were. For example, the
generally ‘positive’ traits associated with skill or general life happiness
showed significantly higher brain activity in regions associated with higher
cognition.
Conversely,
those less lucky in life – be it with regard to income, happiness, drug use,
anger problems and so on – were observed to have less connectivity in those
regions.
The
team says they were after the ‘general intelligence g-factor’ – a variable
first theorized in 1904, and dealing with one’s abilities at performing certain
cognitive tasks. The variable has been augmented for the current study to
include other variables like income and life satisfaction. But the others, such
as memory, patter recognition and related tasks, strongly correspond with
expectations.
Those
who support the existence of the g-factor believe many features and gifts are
inter-related, meaning that if you’re good at one thing, there’s a strong
chance you’re good at another.
Opponents
of such a perspective discount it on the premise that they have not seen
concrete proof of how the abilities relate to brain circuit functioning. The
Oxford study, therefore, offers a degree of evidence in the face of skepticism.
Among
the advantages offered by HCP is the extraordinarily high image resolution. The
initiative has already analyzed the scans of some 1,200 healthy participants,
combined with questionnaires and other tests.
“Not only is the number of
subjects we get to study large, but the spatial and temporal resolution of the
fMRI data is way ahead of previous large datasets,” Smith said in the press
release.
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