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http://www.sciencedaily.com/releases/2012/06/
120620101011.htm
I Want to Know Where Love Is: First Brain Map of Love and Desire
An international study co-authored by Concordia psychology professor Jim Pfaus
finds that love and desire activate specific but related areas in the brain.
(Credit: © James Steidl / Fotolia)
ScienceDaily (June 20, 2012) Thanks to modern science, we know that love
lives in the brain, not in the heart. But where in the brain is it -- and is it
in the same place as sexual desire? A recent international study published in
the Journal of Sexual Medicine is the first to draw an exact map of these
intimately linked feelings.
"No one has ever put these two together to see the patterns of activation,"
says Jim Pfaus, professor of psychology at Concordia University, member of the
Center for Studies in Behavioral Neurobiology and a co-author of the study. "We
didn't know what to expect -- the two could have ended up being completely
separate. It turns out that love and desire activate specific but related areas
in the brain."
Along with colleagues in the U.S. and Switzerland, Pfaus analyzed the results
from 20 separate studies that examined brain activity while subjects engaged in
tasks such as viewing erotic pictures or looking at photographs of their
significant others. By pooling this data, the scientists were able to form a
complete map of love and desire in the brain.
They found that that two brain structures in particular, the insula and the
striatum, are responsible for tracking the progression from sexual desire to
love. The insula is a portion of the cerebral cortex folded deep within an area
between the temporal lobe and the frontal lobe, while the striatum is located
nearby, inside the forebrain.
Love and sexual desire activate different areas of the striatum. The area
activated by sexual desire is usually activated by things that are inherently
pleasurable, such as sex or food. The area activated by love is involved in the
process of conditioning by which things paired with reward or pleasure are
given inherent value. That is, as feelings of sexual desire develop into love,
they are processed in a different place in the striatum.
Somewhat surprisingly, this area of the striatum is also the part of the brain
that associated with drug addiction. Pfaus explains there is good reason for
this. "Love is actually a habit that is formed from sexual desire as desire is
rewarded. It works the same way in the brain as when people become addicted to
drugs."
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Story Source:
The above story is reprinted from materials provided by Concordia
University.
Note: Materials may be edited for content and length. For further
information, please contact the source cited above.
Journal Reference:
Stephanie Cacioppo, Francesco Bianchi-Demicheli, Chris Frum, James G.
Pfaus, James W. Lewis. The Common Neural Bases Between Sexual Desire and Love:
A Multilevel Kernel Density fMRI Analysis. The Journal of Sexual Medicine,
2012; 9 (4): 1048 DOI: 10.1111/j.1743-6109.2012.02651.x
Need to cite this story in your essay, paper, or report? Use one of the
following formats:
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MLA
Concordia University (2012, June 20). I want to know where love is: First brain
map of love and desire. ScienceDaily. Retrieved June 21, 2012, from
http://www.sciencedaily.com /releases/2012/06/120620101011.htm
Note: If no author is given, the source is cited instead.
Disclaimer: This article is not intended to provide medical advice, diagnosis
or treatment. Views expressed here do not necessarily reflect those of
ScienceDaily or its staff.
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