The Starved Brain: Why does your loved one with Anorexia think, feel, and act the way they do? 

The Starved Brain: Why does your loved one with Anorexia think, feel, and act the way they do? 

If you have a loved one with Anorexia, you know more than anyone that eating disorders impact the entire family. It can feel like everything you know and have come to expect from your loved one changes overnight. I have had family members report to me: 

“It’s like he is a whole different person”

“Is my precious happy girl still inside that body?”

“My wife has always been the life of the party. That’s one of the reasons I married her, now I can’t get her to leave the house”

 It can be tremendously confusing and sometimes feelings of hopelessness emerge. That is very normal. It is scary. To understand these jarring changes, it is helpful to remember that Anorexia is a physical illness. It manifests, if not treated early, in significant weight loss and calorie restriction.  Your loved one is acting, thinking, and feeling the way they are because of what research tells us about The Psychology of Hunger. 

The Psychology of Hunger: The Starved Brain 

The most notable study conducted the starved brain was undertaken in 1948 by Ancel Keys, called “The Biology of Human Starvation or popularly known as “The Minnesota Starvation Experiment.” The purpose of the experiment was to demonstrate how the body and mind are affected by not eating, or by restricting food. In this study, healthy young men were observed under normal conditions then exposed to caloric restriction (1570 calories a day for 6 months). After the semi-starvation period, they were rehabilitated with the purpose of determining the most successful form of nutritional rehabilitation. Such a study would never be conducted in modern research, but the results were foundational in shifting perceptions and guiding modern treatment interventions for Anorexia. 

The Results

Below are the symptoms that were found at just 1570 calories a day for 6 months. *It is noteworthy that most sufferers of Anorexia eat far less than 1570 calories a day* 

  • Physical: Less energy, reduced heart muscle mass, lower heart rate and blood pressure, headaches, decreased hormone levels, sensitivity to noise and light, a feeling of being cold all the time, loss of strength and greater fatigue and hair loss and dry skin.

  • Emotional and Cognitive changes: Depression, anxiety, irritability, increased mood fluctuations, intense and negative emotional reactions, decreased enthusiasm, reduced motivation, impaired concentration, problem solving and comprehension, increased rigidity, obsessional thinking, and reduced alertness.

  • Attitudes and behaviors related to food: Thinking about food all the time, eating very slow or very fast, increased hunger, unusual food routines and rituals, binge eating, increased use of condiments for flavor.

  • Social changes: Feeling more critical of others, withdrawn and isolated, loss of sense of humor, feelings of social inadequacy, neglect of personal hygiene and strained relationships.

These men had no previous mental health diagnosis, significant childhood trauma, or any health conditions that would skew the results in any meaningful way. 

Implications

When working with sufferers and their family members I always share this study and pay special attention to highlight the results in the emotional/cognitive changes and social changes sections. I have seen the implications of this study reduce shame and destigmatize the individual suffering. I try to communicate that your loved one is still the same person you know; they are just experiencing the brains response to starvation. With appropriate nutritional rehabilitation and patience there is no reason to believe that most, if not all, of these symptoms will go away completely. The first step to treating Anorexia is weight restoration. Getting stuck in the “Why” vortex is tempting because the sufferer and family want to believe that if they knew why their loved one developed Anorexia it would give them the solution. Sometimes family members blame themselves: endlessly analyzing and hypothesizing about some unknown error they made. It is important to make sense of or peace with your loved one’s diagnosis but if there is anything you can do to support your loved one, it is to encourage them to seek nutritional rehabilitation first and foremost. I ask family members to avoid pathologizing their loved one. Going to therapy once a week while severely malnourished can be unfruitful  because of the starved brain. A therapist role is to encourage motivation for recovery, educate and normalize Anorexia, and celebrate the little wins. Once your loved one is weight restored, the deeper work can be done from a healthy nourished brain. Should you be a family member of a sufferer in early stages of recovery, the primary take-away is to remind yourself and your loved that their brain is starving and the way they feel, think, and behave are survival responses. Remind them that it is not their fault, and it will not feel like this forever. Your loved one is not ‘CRAZY’ nor has their character or personality fundamentally changed they are just starving.  

By Shaundra McGuire, MHCI

Book an appointment with Shaundra Mcguire:

https://SouthTampaTherapyBOOKAPPT.as.me/ShaundraMcguireMFTI

Additional resources for you and your loved one:  

https://www.nationaleatingdisorders.org/

https://www.gaudianiclinic.com/videos-press

References: 

https://www.eatingdisorderhope.com/information/anorexia/how-malnourishment-affects-the-brain-research-on-anorexia-and-neurobiology

https://eatingdisorders.dukehealth.org/education/resources/starvation-experiment

https://nedc.com.au/eating-disorder-resources/find-resources/show/issue-59-i-the-starved-brain-can-what-we-eat-determine-how-we-think

https://www.apa.org/monitor/2013/10/hunger

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