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JoVE Journal
Behavior
用一种新的反馈系统控制进食行为
用一种新的反馈系统控制进食行为
JoVE Journal
Behavior
This content is Free Access.
JoVE Journal Behavior
Control of Eating Behavior Using a Novel Feedback System

用一种新的反馈系统控制进食行为

Full Text
11,696 Views
04:48 min
May 8, 2018

DOI: 10.3791/57432-v

Maryam Esfandiari*1, Vasileios Papapanagiotou*2, Christos Diou2, Modjtaba Zandian1, Jenny Nolstam1, Per Södersten1, Cecilia Bergh1

1Mandometer Clinic,Karolinska Institutet, 2Department of Electrical and Computer Engineering,Aristotle University of Thessaloniki

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This study introduces a medical device designed to help patients with eating disorders and weight management by providing real-time feedback on eating behavior. The device aims to normalize body weight and improve overall health by allowing users to adapt their eating habits based on visual cues.

Key Study Components

Area of Science

  • Eating behavior
  • Weight management
  • Clinical applications for eating disorders

Background

  • The device was inspired by an anorexic patient who expressed difficulty in understanding how to eat and feel full.
  • It provides objective measurements of eating behavior.
  • The method has implications for treating anorexia, bulimia, and obesity.
  • Patients can use the device in various settings, enhancing its accessibility.

Purpose of Study

  • To restore normal eating patterns in underweight and overweight patients.
  • To manipulate eating rates in healthy subjects for experimental purposes.
  • To explore the management of body weight problems.

Methods Used

  • Subjects use a smartphone application connected to a scale.
  • Participants adapt their eating rate based on visual feedback from the device.
  • Data on food intake and fullness ratings are recorded during meals.
  • The device tracks cumulative food intake and eating behavior patterns.

Main Results

  • Patients showed an increased rate of eating and improved food intake over time.
  • Results indicated variability in the time of remission among patients.
  • Patients with normal BMI at remission consumed more food than at admission.
  • Most patients transitioned from an accelerating to a decelerated eating rate upon remission.

Conclusions

  • The device is user-friendly and has been effective for many patients.
  • It provides a safe and trusted method for patients to practice eating.
  • The application has potential for broader use in experimental and clinical settings.

Frequently Asked Questions

What is the main function of the device?
The device helps patients manage their eating behavior by providing real-time feedback on their food intake.
How do patients use the device?
Patients connect the device to a smartphone app, select a meal, and adjust their eating rate based on visual feedback.
What types of patients can benefit from this device?
The device is designed for underweight and overweight patients, as well as those with eating disorders.
Can healthy subjects use the device?
Yes, healthy subjects can use the device for experimental purposes to study eating behaviors.
What are the implications of this study?
The study suggests that the device can aid in the treatment of various eating disorders and improve eating habits.
Is the device easy to use?
Yes, the device is designed to be user-friendly and has been successfully used by many patients.

受试者吃的食物从一个刻度盘连接到一台电脑, 记录了餐盘的重量损失。在电脑屏幕上的反馈允许主题调整她/他的饮食行为, 以参考曲线, 从而正常化体重。

该医疗设备的总体目标是让体重不足和超重的患者能够正常进食,恢复体重,改善身心健康,并出于实验目的纵健康受试者的进食速度。这种方法可以帮助我们回答有关体重问题管理的关键问题,例如饮食失调和肥胖。这种方法的主要优点是它允许客观测量饮食行为,还可以改变饮食行为以用于实验和临床目的。

这种技术的影响延伸到厌食症、贪食症和肥胖症的治疗,因为患者不知道如何进食或如何正常地感到饱腹。当一位厌食症患者说她不知道如何进食或如何感到饱腹感时,我们第一次想到开发这种方法,她想使用该设备来学习如何进食。首先将应用程序下载到智能手机设备上。

然后按底部的红色按钮打开秤。打开应用程序,然后按 control 键(无视觉反馈进食)或按 Training (训练)有视觉反馈进食,选择餐点。接下来,从列表中选择一个与设备配对的体重秤,然后按底部的连接,将体重秤连接到智能手机设备。

将板放在秤上。按屏幕右上角的 done 继续。护送受试者进入测试室,让他们坐在食物盘和秤前。

指出智能手机屏幕,让他们根据蓝色虚线参考曲线调整他们的进食率。告诉他们,随着更多食物从盘子里吃掉,蓝色曲线会发生变化。当评分量表出现在屏幕上时,指示受试者对他们的饱腹感进行评分。

按保存继续进食。如果受试者吃得太快,建议他们放慢速度。当盘子里没有食物时,按 no 确认他们已经吃完了。

最后,记下屏幕上的用餐时间,然后按 done 退出。在一组 5 名接受神经性厌食症缓解治疗的患者中,结果表明在第一次测试中没有视觉反馈和三天后摄入大餐的进食速度加快,参考曲线提供视觉反馈。设备记录会自动转换为食物摄入量的累积曲线,这是一种饮食行为的二次模型。

此外,与其中一名患者治疗早期的两次记录相比,缓解时的进食率增加了一倍。5 例患者的缓解时间各不相同。缓解时体重指数正常的患者比入院时消耗更多的食物,并且进餐时间虽然没有减少,但变化较小。

最后,虽然 3 名患者在入院时进食速度加快,但除 1 名患者外,其余患者在缓解时进食速度减慢。缓解时初始进食率增加。该设备易于使用,已被数百名饮食失调患者和在家练习进食的超重患者使用。

此应用程序还用于健康受试者的实验,以检查节食的效果以及学校午餐等自然主义环境。饮食失调患者喜欢使用该设备。他们感到安全,他们信任它,他们可以在他们选择的任何地方使用它,在家里,在学校食堂和朋友一起吃饭,或者在餐馆。

这种方法允许您通过提供支持来控制您的摄入量。

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