大脑对有和没有吞咽的食物或味觉反应的差异:功能性磁共振成像(fMRI)研究的荟萃分析

IF 1 4区 医学 Q4 Neuroscience
Andy Wai Kan Yeung
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引用次数: 3

摘要

本研究旨在荟萃分析功能磁共振成像(fMRI)数据,比较不同刺激传递方式下味觉研究的脑激活情况。方法已发表的功能磁共振成像(fMRI)研究如果评估了健康受试者对液体味剂或食物的大脑反应,则纳入分析。研究分为三组:不需要吞咽而通过吸力从口腔中取出刺激物,不控制其混杂因素的吞咽,控制其混杂因素的吞咽。结果45项研究共纳入1498名受试者,符合纳入标准。吸吸研究激活了后扣带。吞咽研究涵盖了多个大脑区域,包括前岛和中岛、中央前回和中央后回。结论通过对照分析和不控制混杂因素的吞咽研究,前者主要在前岛、中岛和丘脑有较大的脑激活,后者主要在前扣带、中央前回和中央后回有较大的脑激活。与没有控制吞咽混淆的研究相比,控制吞咽的研究表明,脑岛的反应增强,感觉运动皮层的反应减弱。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Differences in Brain Responses to Food or Tastants Delivered with and Without Swallowing: a Meta-analysis on Functional Magnetic Resonance Imaging (fMRI) Studies

Differences in Brain Responses to Food or Tastants Delivered with and Without Swallowing: a Meta-analysis on Functional Magnetic Resonance Imaging (fMRI) Studies

Introduction

This study aimed to meta-analyze the functional magnetic resonance imaging (fMRI) data and compare the brain activations from gustatory studies with different stimulus delivery methods.

Methods

Published fMRI studies were included into the analysis if they evaluated the brain responses to liquid tastants or food among healthy subjects. Studies were coded into three groups: stimulus removed from the mouth by suction without the need to swallow, swallowing without controlling for its confounds, and swallowing with controlling for its confounds.

Results

Forty-five studies that comprised of a total of 1498 participants fulfilled the inclusion criteria. Suction studies activated the posterior cingulate. Swallowing studies covered multiple brain regions including the anterior and middle insula, the precentral gyrus, and the postcentral gyrus.

Conclusions

For the contrast analysis between swallowing studies with and without controlling for the confounds, the former group had larger brain activation mainly at the anterior and middle insula and the thalamus, whereas the latter group had larger brain activation mainly at the anterior cingulate, precentral gyrus, and postcentral gyrus.

Implications

Compared to studies that did not control for confounds of swallowing, studies that controlled for swallowing demonstrated heightened responses at the insula and reduced responses at the sensorimotor cortex.

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来源期刊
Chemosensory Perception
Chemosensory Perception 农林科学-神经科学
CiteScore
2.50
自引率
0.00%
发文量
8
审稿时长
>36 weeks
期刊介绍: Coverage in Chemosensory Perception includes animal work with implications for human phenomena and explores the following areas: Identification of chemicals producing sensory response; Identification of sensory response associated with chemicals; Human in vivo response to chemical stimuli; Human in vitro response to chemical stimuli; Neuroimaging of chemosensory function; Neurological processing of chemoreception; Chemoreception mechanisms; Psychophysics of chemoperception; Trigeminal function; Multisensory perception; Contextual effect on chemoperception; Behavioral response to chemical stimuli; Physiological factors affecting and contributing to chemoperception; Flavor and hedonics; Memory and chemoperception.
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