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Food Addiction Alternate State of Consciousness

VIEWS: 21 PAGES: 14

  • pg 1
									Megan Curran, Stephanie Solso
 Kevin Nazario, Matt Sugihara
 Food    Addiction vs. Overeating: (Stephanie)
     What is food addiction?
     What is the difference between desires to overeat
      and literal addiction to food?
 Food  Addiction in comparison to other
  neurological addictions (Megan and Kevin)
 Psychological Factors (Matt)
 Is food addiction actually an alternate state of
  consciousness ? (All of us)
 Compulsive   overeating with episodes of
  uncontrolled eating or binging.
 Eating more quickly than normal
 Eating past the point of being uncomfortably
  full
 Eating when you are not hungry
 Spending excessive amounts of time and
  thought focused on food
 Secretly planning or fantasize about eating
  alone
          Normally begins in childhood
 o High Cholesterol
      o Diabetes
   o Heart Disease      Food Addiction can
   o Hypertension       also lead to obesity,
o Clinical Depression   but obesity does not
                        necessarily mean
  o Kidney Disease
                        food addiction!
      o Arthritis
o Bone Deterioration
        o Stoke
 Desire to overeat is often based upon
  cravings for specific types of food, not
  insatiable want to eat
 Food addiction is a constant desire, not only
  when you are hungry

Based upon community surveys, it is estimated
  that ~2-5% of Americans suffer from food
  addiction
  Overeating            Taking the Drug



   Obesity          Side Effects of the Drug
                 (reproducible in other ways)


Food Addiction   Actual Addiction to the Drug –
                      Constant need for
 Many  of these studies
  involve the dopamine
  system, one of the two
  main reward systems of
  the brain
 Dopamine provides a
  stronger, more
  immediate pleasure,
  whereas serotonin
  provides a general
  feeling of happiness
 Sight, smell, and taste of food (mainly
  sight/smell)
 Food stimulation produces increase in
  extracellular dopamine in dorsal striatum
 Dopamine system in dorsal striatum plays a role
  in food motivation
 Based on subjects’ self reported favorite foods
 Correlation between the increase in dopamine
  from food stimulation and the changes in self
  reports of hunger and desire for food
  Drug Addiction                          Obese


DA D2 (Dopamine Receptors)
In the brains of controls, drug
abusers, and obese subjects




                                            *Note*
                              We realize that this image is of
                               obese subjects, not someone
    Control       Addicted     necessarily addicted to food.
                               The study glazes over this fact
                               and there needs to be more
                               studies on this*
      Enhanced activity in oral
    somatosensory cortex in obese
              patients
 PET  scans taken from lean and obese
  subjects at a rest state (no food present or
  expectation of food)
 Higher metabolic activity found in bilateral
  parietal somatosensory cortex. The specific
  areas matches the mapping of the mouth,
  lips and tongue involved for taste perception
 Higher activity thought to mean higher
  sensitivity to palatability (taste)
 Inference that this could lead to over-
  consumption due to reward sensitivity
      Withdrawal
         Cravings
      Depression
 Fantasizingabout food
       Dependency
 Is food addiction an alternate state of
  consciousness?
 Is addiction, in general, an alternate state of
  consciousness?
 Do you think that this is a serious form of
  addiction as compared to drugs considering
  we must eat to survive?
1.   Do you think about your weight constantly ?
2.   Do you eat differently in private than with
     other people?
3.   Do you eat to escape from your feeling?
4.   Do you eat when you are not hungry?
5.   Have you ever stolen other people’s food?
6.   Have you ever hid food to make sure you have
     “enough?”
7.   Do you frequently feel shamed or guilty about
     what you have eaten?
8.   Do you feel hopeless about your relationship
     with food?
   "Enhanced resting activity of the oral somatosensory cortex in obese subjects" (Gene-
    Jack Wang, Nora D. Volkow, Christoph Felder, Joanna S. Fowler, Alejandro V. Levy,
    Naomi R. Pappas, Christopher T.Wong,Wei Zhu and Noelwah Netusil), Neuroreport (July
    2, 2002) 13: 1151.
   Markus, A. (2005). Neurobiology of obesity. Nature neuroscience, 8(5), 551.
   Mc Cann, Scott. (2007). What is food addiction? Retrieved May 28, 2007 from,
    http://www.anonymityone.com/faq195.htm
   New food-addiction link found. (2002) Retrieved May 28, 2007 from,
    http://www.bnl.gov/bnlweb/pubaf/pr/2002/bnlpr052002.htm
   Scientists find link between dopamine and obesity. (2001) Retrieved May 28, 2007
    from, http://www.bnl.gov/bnlweb/pubaf/pr/2001/bnlpr020101.htm
   Sheppard, K. (1993). Food addiction : The body knows: Revised & expanded edition
    HCI.
   Sugar addiction. (2003) Retrieved May 28, 2007 from,
    http://www.sfn.org/index.cfm?pagename=brainBriefings_sugarAddiction
   The neurobiology of drug addiction - section IV: The action of cocaine. (n.d.)
    Retrieved May 28, 2007 from,
    http://www.nida.nih.gov/pubs/teaching/Teaching2/Teaching5.html
   Volkow, N. D., & Wise, R. A. (2005). How can drug addiction help us understand
    obesity? [Electronic version]. Nature neuroscience, 8(5), 555-560.
   Wang, Gene-Jack Volkow, Nora D Felder, Christoph Fowler, Joanna S Levy, Alejandro V
    Pappas, Naomi R Wong, Christopher T Zhu, Wei Netusil,Noelwah. (2002). Enhanced
    resting activity of the oral somatosensory cortex in obese subjects. Neuroreport, 13(9),
    1151.

								
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