How does anorexia affect cognition?

Anorexia nervosa (AN) is associated with adverse effects on cognitive functioning in the domains of attention, processing speed, visual and verbal memory, and visuospatial construction [1,2,3,4,5], as well as high rates of comorbid anxiety, depression, and obsessive compulsive disorder [1, 6, 7].

What are 4 signs of anorexia?

Physical signs and symptoms of anorexia may include:

  • Extreme weight loss or not making expected developmental weight gains.
  • Thin appearance.
  • Abnormal blood counts.
  • Fatigue.
  • Insomnia.
  • Dizziness or fainting.
  • Bluish discoloration of the fingers.
  • Hair that thins, breaks or falls out.

What are the cognitive causes of anorexia?

A cognitive behavioural theory of the maintenance of anorexia nervosa is proposed. It is argued that an extreme need to control eating is the central feature of the disorder, and that in Western societies a tendency to judge self-worth in terms of shape and weight is superimposed on this need for self-control.

Does anorexia cause brain fog?

Feelings of irritability, brain fog, and fatigue can make daily tasks and encounters more taxing and difficult. For those struggling with anorexia nervosa, these symptoms are more constant and more severe.

Does anorexia affect brain development?

Because of a restricted diet, many people with anorexia experience cognitive problems. In extreme cases, anorexia can cause brain damage. Research has shown that starvation caused by anorexia can lead to brain damage.

What are the two distinct types of anorexia?

Anorexia nervosa may be divided into 2 subtypes:

  • Restricting, in which severe limitation of food intake is the primary means to weight loss.
  • Binge-eating/purging type, in which there are periods of food intake that are compensated by self-induced vomiting, laxative or diuretic abuse, and/or excessive exercise.