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Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method
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The SPLENDID Eating Detection Sensor: Development and Feasibility Study.

Janet van den Boer1, Annemiek van der Lee1, Lingchuan Zhou2

  • 1Sensory Science and Eating Behaviour Chair Group, Division of Human Nutrition, Wageningen University, Wageningen, Netherlands.

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PubMed
Summary
This summary is machine-generated.

The SPLENDID eating detection sensor shows promise for objective food intake monitoring. User enthusiasm is high, but improved wearer comfort and discreetness are crucial for widespread adoption.

Keywords:
PPG sensorchewing sensorin-ear microphonemobile phoneobesity preventionoverweightweight management

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Area of Science:

  • Biomedical Engineering
  • Wearable Technology
  • Nutritional Science

Background:

  • Current food intake monitoring methods, often self-reported, yield biased and incomplete data.
  • Technological solutions for objective food intake measurement are lacking.
  • The SPLENDID eating detection sensor, an ear-worn device with microphone and PPG sensor, was developed for complete and objective eating event measurement.

Purpose of the Study:

  • To explore user perceptions and experiences with the SPLENDID eating detection sensor.
  • To gather feedback on the sensor's concept, usability, and comfort.

Main Methods:

  • User evaluations occurred across four development stages.
  • Methods included interviews with health professionals, focus groups with end-users, laboratory testing of prototypes, and semi-controlled and feasibility studies with young adults.

Main Results:

  • Users expressed enthusiasm for the eating detection sensor.
  • Discreetness and long-term wearer comfort were identified as critical factors.
  • The final version received an average wearer comfort score of 3.7/10.
  • Discomfort limited daily use to under 2 hours for some participants.

Conclusions:

  • The SPLENDID sensor demonstrates technical potential for reliable food intake data collection.
  • User enthusiasm is positive, but wearer comfort and discreetness require significant improvement for successful implementation.