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Adolescent female rats prone to the activity based anorexia (ABA) paradigm have altered hedonic responses and cortical astrocyte density compared to resistant animals.

Author
Abstract
:

Anhedonia, which in part involves the lack of pleasure in consuming palatable food, is a long-lasting symptom observed in patients both when acutely ill and when long term recovered from Anorexia Nervosa. The neurocircuitry underlying this phenomenon is not well understood. Here we use the preclinical activity-based anorexia (ABA) model in adolescent female rats to assess the impact of excessive exercise, limited food intake and acute weight loss, on adolescent female rat orofacial responding to intraoral sucrose, as measured by the taste reactivity test (TRT). Animals were identified as either prone or resistant to this paradigm based on a weight loss criterion. Measures of food intake, running wheel activity, taste reactivity and medial prefrontal cortex astrocyte expression were compared across groups.

Year of Publication
:
2022
Journal
:
Appetite
Volume
:
168
Number of Pages
:
105666
Date Published
:
2022
ISSN Number
:
0195-6663
URL
:
https://linkinghub.elsevier.com/retrieve/pii/S0195-6663(21)00573-0
DOI
:
10.1016/j.appet.2021.105666
Short Title
:
Appetite
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