Feeding Dysfunction

Feeding dysfunction is difficulty accepting food, chewing, swallowing, or consuming enough nutrition for healthy growth and daily function. It can result from impaired oral-motor coordination, altered sensory responses, gastrointestinal symptoms, developmental differences, or medical conditions that disrupt appetite and the safe progression of eating skills. Clinical evaluation considers feeding behavior, swallowing safety, nutritional status, and underlying disease, often through collaboration among physicians, speech-language pathologists, occupational therapists, and dietitians. Identifying the contributing mechanism supports individualized interventions, such as texture modification, behavioral strategies, feeding therapy, or treatment of associated conditions, helping reduce aspiration risk and improve nutrition, development, and quality of life.

Feeding Dysfunction - Related Videos

Research

JoVE EoE - Drosophila melanogaster (fruit fly)

Feeding Test: Assessment of Feeding Preferences in Drosophila melanogaster

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2023

This video describes a feeding assay for fruit flies in which colored food is used to monitor feeding and the effect added compounds may have on feeding activity. The example protocol tests the effects of several endocrine disrupting chemicals (EDC).

High-fat Feeding Paradigm for Larval Zebrafish: Feeding, Live Imaging, and Quantification of Food Intake

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Cited by 19 •

2016

Zebrafish are emerging as a valuable model of dietary lipid processing and metabolic disease. Described are protocols of lipid-rich larval feeds, live imaging of dietary fluorescent lipid analogs, and quantification of food intake. These techniques can be applied to a variety of screening, imaging, and hypothesis driven inquiry techniques.

Functional Analysis of the Larval Feeding Circuit in Drosophila

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Cited by 22 •

2013

The feeding circuit in Drosophila melanogaster larvae serves a simple yet powerful model that allows changes in feeding rate to be correlated with alterations in the stomatogastric neural circuitry. This circuit is composed of central serotonergic neurons that send projections to the mouth hooks as well as the foregut.

Research

JoVE Journal - Medicine

Mouse Model of Metabolic Dysfunction-Associated Steatotic Liver Disease with Fibrosis

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Cited by 1 •

2025

Mouse model of metabolic dysfunction-associated steatotic liver disease (MASLD) with metabolic dysfunction, hepatic gene expression changes, and liver histopathological alterations that resemble human MASLD, including fibrosis that progresses to advanced fibrosis stage 3. This model can be used in studies of MASLD pathophysiology and in pre-clinical studies of new therapies.

Research

JoVE Journal - Environment
Free Sample

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

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Cited by 18 •

2016

Behavioral assays provide powerful tools for understanding neuronal function. Here we present several protocols for quantifying predatory feeding behavior found in the model nematode Pristionchus pacificus and its relatives. Additionally, we provide methods for analyzing predatory feeding adaptations including mouth structures and teeth.

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