Bulimia and the Human Brain

Many studies have been conducted on the effects ofexperienced the eating disorder of bulimia.
bulimia on the human brain. In addition to this, thereThe Results
have been medical studies conducted on how theOnce the scanning health checks were conducted, the
brain reacts as time progresses in the bulimic. It hasresearchers and medical professionals on the team
been established that those that suffer from bulimiathat was conducting the study were quite impressed
have distinct differences in their brains.with their findings. The females that had suffered from
This is especially true when the focus is placed on thebulimia in their lifetime showed a marked reduction in
brain's ability to regulate the hormone that has a directthe task of binding receptors to the various regions of
impact on the overall appetite of an individual, as wellthe brain.
as their overall mood. Basically, this could indicate thatThe chemical directly responsible for this particular task
there are many people that may have a naturalis serotonin. As the studies developed, there was
susceptibility to developing an eating disorder -another interesting fact noted. The ones that suffered
specifically bulimia.from bulimia did not seem to experience the natural
The Health Checksreduction in serotonin in the brain that is found to occur
The study that brought about the opinion that bulimiain all instances of the aging process.
could be a direct result of a genetic susceptibilityThis was particularly interesting as the subjects that
involved a total of nine females that had successfullynever suffered from the eating disorder were found to
recovered from the eating disorder. These women allhave relatively healthy serotonin levels and the
struggled with binges, purging the food that they atechemical seemed to be performing on task in those
from their systems, and all agreed that the image thattest subjects.
they had of themselves were highly distorted. TheseSerotonin
women also agreed that while experiencing bulimiaWhile it may seem particularly insignificant, serotonin is
firsthand, they often experienced mood complicationsactually a very important chemical in the brain. It is
such as anxiety, high irritation levels, and moderate todirectly responsible for regulating several different
severe depression.aspects of who we are as people. This includes the
A special type of scanning instrument was used tofollowing:
evaluate the brains of the women in the case study.• The mood
This imaging device is referred to as a "PET" scan.• The Appetite
PET stands for "Positron Emission Tomography". In• The Ability to Control Impulses
addition to those involved in the study, anotherWhile many professionals will agree that the effect of
assortment of twelve females were brought into theserotonin in the studies could be a result of the
case study.malnutrition and other physical effects often
These women did not suffer from an eating disorder inassociated with bulimia, the researchers on this
the past or at the time that they were scanned. Theparticular study feel as if this could be a reason that
point was to compare the brains of the females thatthe eating disorder starts in susceptible individuals.
once suffered to the brains of those that have not