Anorexia nervosa may be classified based on different perspectives. Other people view as anorexia nervosa and bulimia nervosa are separate disorders that may crossover.
Strategies used to classify anorexia:
(1) method of weight control
(2) personality
(3) parental emotional engagement
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Subtype
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Designation
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Method of Weight Control
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restricting
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R
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starvation
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bingeing/purging
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BP
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binge eating with vomiting and/or diarrhea
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purging
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P
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vomiting or diarrhea
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Personality types (Lavender et al; Wildes et al):
(2) overregulated (compulsive; low stimulus seeking; perfectionism)
(1) underregulated (high stimulus seeking, self-harm, oppositionality)
(3) low psychopathology
Personality types (Gazzillo et al):
(1) high-functioning perfectionist
(2) overcontrolled/constricted
(3) emotionally dysregulated
Combining these views would give:
(1) overcontrolled and overregulated
(1a) high-functioning perfectionist
(2) emotionally dysregulated or underregulated
(3) low psychopathology
