A neural network underlying cognitive strategies related to eating, weight and body image concerns

被引:1
作者
Marques, Cristiana C. [1 ,2 ,3 ]
Sayal, Alexandre [1 ,4 ]
Crisostomo, Joana [1 ,5 ]
Duarte, Joao V. [1 ,5 ]
Castilho, Paula [2 ]
Goss, Kenneth [6 ]
Pereira, Ana T. [3 ]
Castelo-Branco, Miguel [1 ,5 ]
机构
[1] Univ Coimbra, Coimbra Inst Biomed Imaging & Translat Res CIBIT, Inst Nucl Sci Appl Hlth ICNAS, Coimbra, Portugal
[2] Univ Coimbra, Fac Psychol & Educ Sci, Ctr Res Neuropsychol & Cognit & Behav Intervent CI, Coimbra, Portugal
[3] Univ Coimbra, Inst Psychol Med, Fac Med, Coimbra, Portugal
[4] Siemens Healthineers, Lisbon, Portugal
[5] Univ Coimbra, Fac Med, Coimbra, Portugal
[6] Coventry & Warwickshire Partnership Trust, Coventry Eating Disorder Serv, Coventry, England
来源
FRONTIERS IN HUMAN NEUROSCIENCE | 2024年 / 17卷
关键词
eating psychopathology; fMRI; self-criticism; rumination; avoidance; self-reassurance; COMPASSION-FOCUSED THERAPY; SELF-COMPASSION; EMOTION REGULATION; DEPRESSIVE SYMPTOMS; THOUGHT SUPPRESSION; SOCIAL ANXIETY; RUMINATION; CRITICISM; DISORDERS; SHAME;
D O I
10.3389/fnhum.2023.1274817
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Concerns about food intake, weight and body shape can trigger negatively loaded emotions, which may prompt the use of cognitive strategies to regulate these emotional states. A novel fMRI task was developed to assess the neurobehavioral correlates of cognitive strategies related to eating, weight and body image concerns, such as self-criticism, avoidance, rumination, and self-reassurance. Fourteen healthy females were presented audio sentences referring to these conditions and instructed to repeat these internally while engaging their thoughts with the content of food or body images. Participants were asked to report the elicited emotion and rate their performance. All cognitive strategies recruited a network including the inferior and superior frontal gyri, orbitofrontal and anterior cingulate cortex, insula, and dorsal striatum. These brain regions are involved in emotional, reward and inhibitory control processing. Representational similarity analysis revealed distinct patterns of neural responses for each cognitive strategy. Additionally, self-report measures showed that self-criticism was positively associated with superior frontal gyrus (SFG) activation. Self-compassion scores were negatively correlated with activations in the insula and right putamen, while self-reassurance scores were negatively associated with activity in the orbitofrontal cortex. These findings identify a neural network underlying cognitive strategies related to eating, weight and body image concerns, where neurobehavioral correlation patterns depend on the cognitive strategy.
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页数:14
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