厌食症是一种严重的心理健康问题，通常表现为对体重和食物过度担忧，导致意识到的体重过分低下和拒绝摄入足够的食物，甚至可能会采取极端的饮食行为。厌食症的心理方面涉及到对自我形象、食物、体重和自我价值的扭曲认知。
以下是一些关于厌食症的研究文献的示例：
1. Treasure, J., & Schmidt, U. (2013). The cognitive-interpersonal maintenance model of anorexia nervosa revisited: A summary of the evidence for cognitive, socio-emotional and interpersonal predisposing and perpetuating factors. Journal of Eating Disorders, 1(1), 13. doi: 10.1186/2050-2974-1-13
2. Keyes, A., Fergus, K., & Cooper, M. (2020). A systematic review and meta-analysis of the cognitive biases associated with eating disorders. European Eating Disorders Review, 28(2), 147-171. doi: 10.1002/erv.2734
3. Bulik, C. M., Berkman, N. D., Brownley, K. A., Sedway, J. A., & Lohr, K. N. (2007). Anorexia nervosa treatment: A systematic review of randomized controlled trials. International Journal of Eating Disorders, 40(4), 310-320. doi: 10.1002/erv.2734
4. Hay, P., Chinn, D., Forbes, D., Madden, S., Newton, R., Sugenor, L., ...& Ward, W. (2014). Royal Australian and New Zealand College of Psychiatrists clinical practice guidelines for the treatment of eating disorders. Australian & New Zealand Journal of Psychiatry, 48(11), 977-1008. doi: 10.1177/0004867414555814