March 6, 2009
Courtesy University of Toronto
and World Science staff
At least for one type of test, belief in God can
help reduce mistakes and anxiety, according to new
research that also shows distinct brain activity
patterns in believers.
In two studies led by University of Toronto psychologist
Michael Inzlicht, participants performed a Stroop task,
a well-known psychological test that asseses cognitive
control.
Meanwhile, electrodes measured brain activity in the
test-takers.
Compared to non-believers, Inzlicht found, religious
participants showed significantly less activity in a
part of the brain called the anterior cingulate cortex.
This structure is believed to help modify behavior by
signaling when attention and control are needed,
usually as a result of some anxiety-producing event
like making a mistake.
The stronger their religious zeal and faith, the less
cell activity in that zone—and the fewer errors
subjects made, Inzlicht and colleagues reported.
They detailed the findings in the current online issue
of the research journal Psychological Science.
The anterior cingulate cortex might be thought of as an
“alarm bell” that rings when someone “has just made a
mistake or experiences uncertainty,” said Inzlicht.
“We found that religious people or even people who simply
believe in the existence of God show significantly less brain
activity in relation to their own errors.
They’re much less anxious and feel less stressed when they
have made an error.”
These correlations remained strong after taking into
account for personality and cognitive ability, Inzlicht
remarked.
The findings, he added, show religious belief has a
calming effect on its devotees, which makes them less
likely to feel anxious about making errors or facing the
unknown.
The Stroop task measures a person’s ability to inhibit
one reaction in order to do or say something else that
gives a correct answer.
For instance, a test-taker might be asked to quickly
state the color ink in which a word is printed, though
the word itself names a different color.
Inzlicht declined to extrapolate too much from the test
results to real life, cautioning that anxiety is a
“double-edged sword” that is sometimes necessary and
helpful.
Excessive anxiety may leave you “paralyzed with fear,”
he noted, but “it also serves a very useful function in
that it alerts us when we’re making mistakes.”
Without that, “what impetus do you have to change or
improve your behaviour so you don’t make the same mistakes
again and again?”
* * *
Who loves ya.
Tom
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