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Feeding Problems Including Avoidant Restrictive Food Intake Disorder in Young Children With Autism Spectrum Disorder in a Multiethnic Population.

ABSTRACT: We examined feeding problems, including Avoidant Restrictive Food Intake Disorder (ARFID), in preschool children with Autism Spectrum Disorder (ASD). Data were collected from a prospective longitudinal study of 46 children with ASD in a multiethnic, low resource area in Gothenburg, Sweden. Feeding problems were found in 76% of the children with ASD, and in 28%, the criteria for ARFID were met. The study highlights early onset age, the heterogeneity of feeding problems, and the need for multidisciplinary assessments in ASD as well as in feeding problems, and also the need for further elaboration of feeding disorder classifications in children.

SUBMITTER: Nygren G

PROVIDER: S-EPMC8710696 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Feeding Problems Including Avoidant Restrictive Food Intake Disorder in Young Children With Autism Spectrum Disorder in a Multiethnic Population.

Nygren Gudrun G Linnsand Petra P Hermansson Jonas J Dinkler Lisa L Johansson Maria M Gillberg Christopher C

Frontiers in pediatrics 20211213

We examined feeding problems, including Avoidant Restrictive Food Intake Disorder (ARFID), in preschool children with Autism Spectrum Disorder (ASD). Data were collected from a prospective longitudinal study of 46 children with ASD in a multiethnic, low resource area in Gothenburg, Sweden. Feeding problems were found in 76% of the children with ASD, and in 28%, the criteria for ARFID were met. The study highlights early onset age, the heterogeneity of feeding problems, and the need for multidisc ...[more]

PMID: 34966704

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Project description:ImportanceThe neurobiology of avoidant/restrictive food intake disorder (ARFID) is poorly understood.ObjectiveTo evaluate whether individuals with ARFID exhibit disruptions in fear, appetite, and disgust brain regions compared with healthy control (HC) participants when shown images of food and objects.Design, setting, and participantsIn this case-control study conducted from July 2016 to January 2021, children, adolescents, and young adults completed structured interviews and a validated functional magnetic resonance imaging (fMRI) food cue paradigm. The study was conducted at a single academic medical center. Data analysis was conducted from April 2023 to August 2024.ExposuresPresence vs absence of ARFID and its phenotypes (ARFID-fear, ARFID-lack of interest in eating, ARFID-sensory sensitivity); pictures of food vs objects during fMRI food cue paradigm.Main outcomes and measuresBlood oxygenation level-dependent activation in regions of interest (ROIs; amygdala, hypothalamus, insula, anterior cingulate cortex [ACC]) and the whole brain.ResultsParticipants were 110 children, adolescents, and young adults with full or subthreshold ARFID (75 participants; mean [SD] age, 16.2 [3.8] years; 41 [55%] female) and age-matched HC participants (35 participants; mean [SD] age, 17.3 [4.0] years; 27 [69%] female) recruited for studies of the neurobiology of ARFID and restrictive eating disorders. Participants with ARFID demonstrated greater activation than HC participants of the ACC (mean difference, 0.48 [95% CI, 0.19 to 0.77]; P = .009), sensory association cortex (mean difference on left side, 0.54 [95% CI, 0.29 to 0.79]; P = .005; right side, 0.52 [95% CI, 0.28 to 0.76]; P = .02), and supplementary motor cortex (mean difference, 0.81 [95% CI, 0.47 to 1.15]; P = .04). The ARFID-fear group showed greater amygdala activation vs HC (mean difference, 0.49 [95% CI, 0.16 to 0.82]; P = .04), and greater lack of interest was associated with lower hypothalamus activation in the ARFID-lack of interest group (r = -0.38 [95% CI, -0.69 to -0.11]; P = .03). The ARFID-sensory sensitivity group did not show greater insula activation vs HC but showed greater activation of the ACC (mean difference, 0.48 [95% CI, 0.22 to 0.74]; P = .005) and somatosensory cortex (mean difference on left side, 0.60 [95% CI, 0.33-0.87]; P = .001; right side, 0.54 [95% CI, 0.29 to 0.80]; P = .03).Conclusions and relevanceResults indicate generalized hyperactivation of ACC, sensory association cortex, and supplementary motor cortex in response to visual food stimuli in children, adolescents, and young adults with ARFID, suggesting a novel neurobiological circuit associated with this disorder. Activation appears consistent with ARFID phenotypic rationales for food avoidance, with hyperactivation of fear regions in ARFID-fear and hypoactivation of appetite regions with increasing ARFID-lack of interest severity.

Dataset Information

Feeding Problems Including Avoidant Restrictive Food Intake Disorder in Young Children With Autism Spectrum Disorder in a Multiethnic Population.

Publications

Feeding Problems Including Avoidant Restrictive Food Intake Disorder in Young Children With Autism Spectrum Disorder in a Multiethnic Population.

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