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Katsumata R, Hosokawa T, Manabe N, Mori H, Wani K, Ishii K, Tanikawa T, Urata N, Ayaki M, Nishino K, Murao T, Suehiro M, Fujita M, Kawanaka M, Haruma K, Kawamoto H, Takao T, Kamada T. Brain activity in response to food images in patients with irritable bowel syndrome and functional dyspepsia. J Gastroenterol 2023; 58:1178-1187. [PMID: 37572136 PMCID: PMC10657794 DOI: 10.1007/s00535-023-02031-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 07/29/2023] [Indexed: 08/14/2023]
Abstract
BACKGROUND Functional dyspepsia (FD) and irritable bowel syndrome (IBS) are caused and exacerbated by consumption of fatty foods. However, no study has evaluated brain activity in response to food images in patients with disorders of gut-brain interaction (DGBI). This study aimed to compare food preference and brain activity when viewing food images between patients with DGBI and healthy controls. METHODS FD and IBS were diagnosed using the ROME IV criteria. Food preference was assessed using a visual analog scale (VAS). Brain activity in the prefrontal cortex (PFC) in response to food images was investigated using functional near-infrared spectroscopy (fNIRS). RESULTS Forty-one patients were enrolled, including 25 with DGBI. The mean VAS scores for all foods (controls vs. FD vs. IBS: 69.1 ± 3.3 vs. 54.8 ± 3.8 vs. 62.8 ± 3.7, p = 0.02), including fatty foods (78.1 ± 5.4 vs. 43.4 ± 6.3 vs. 64.7 ± 6.1, p < 0.01), were the lowest in patients with FD among all groups. Patients with FD had significantly higher brain activity in the left PFC than those with IBS and healthy controls (mean z-scores in controls vs. FD vs. IBS: - 0.077 ± 0.03 vs. 0.125 ± 0.04 vs. - 0.002 ± 0.03, p < 0.001). CONCLUSIONS Patients with DGBI, particularly those with FD, disliked fatty foods. The brain activity in patients with DGBI differed from that in healthy controls. Increased activity in the PFC of patients with FD was confirmed.
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Affiliation(s)
- Ryo Katsumata
- Department of Health Care Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan.
| | - Takayuki Hosokawa
- Department of Orthoptics, Faculty of Rehabilitation, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki, Okayama, 701-0193, Japan
| | - Noriaki Manabe
- Department of Clinical Pathology and Laboratory Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Hitoshi Mori
- Department of Neurology, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Kenta Wani
- Department of Psychiatry, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Katsunori Ishii
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Tomohiro Tanikawa
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Noriyo Urata
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Maki Ayaki
- Department of Clinical Pathology and Laboratory Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Ken Nishino
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Takahisa Murao
- Department of Health Care Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Mitsuhiko Suehiro
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Minoru Fujita
- Department of Clinical Pathology and Laboratory Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Miwa Kawanaka
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Ken Haruma
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Hirofumi Kawamoto
- Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
| | - Toshihiro Takao
- Department of Health Care Medicine, Kawasaki Medical School, 577, Matsushima, Kurashiki, 701-0192, Japan
| | - Tomoari Kamada
- Department of Health Care Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-Ku, Okayama, 700-8505, Japan
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Abstract
Pain is an unpleasant sensory and emotional experience. Understanding the neural mechanisms of acute and chronic pain and the brain changes affecting pain factors is important for finding pain treatment methods. The emergence and progress of non-invasive neuroimaging technology can help us better understand pain at the neural level. Recent developments in identifying brain-based biomarkers of pain through advances in advanced imaging can provide some foundations for predicting and detecting pain. For example, a neurologic pain signature (involving brain regions that receive nociceptive afferents) and a stimulus intensity-independent pain signature (involving brain regions that do not show increased activity in proportion to noxious stimulus intensity) were developed based on multivariate modeling to identify processes related to the pain experience. However, an accurate and comprehensive review of common neuroimaging techniques for evaluating pain is lacking. This paper reviews the mechanism, clinical application, reliability, strengths, and limitations of common neuroimaging techniques for assessing pain to promote our further understanding of pain.
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Affiliation(s)
- Jing Luo
- Department of Sport Rehabilitation, Xian Physical Education University, Xian, China
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Hui-Qi Zhu
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Sport Rehabilitation, Shenyang Sport University, Shenyang, China
| | - Bo Gou
- Department of Sport Rehabilitation, Xian Physical Education University, Xian, China.
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China.
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Ito E, Oka K, Koshikawa F. Dorsolateral prefrontal cortex sensing analgesia. Biophys Physicobiol 2022; 19:1-10. [PMID: 35797407 PMCID: PMC9173858 DOI: 10.2142/biophysico.bppb-v19.0014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/06/2022] [Indexed: 12/01/2022] Open
Abstract
Chronic pain often has an unknown cause, and many patients with chronic pain learn to accept that their pain is incurable and pharmacologic treatments are only temporarily effective. Complementary and integrative health approaches for pain are thus in high demand. One such approach is soft touch, e.g., adhesion of pyramidal thorn patches in a pain region. The effects of patch adhesion on pain relief have been confirmed in patients with various types of pain. A recent study using near-infrared spectroscopy revealed that the dorsolateral prefrontal cortex (DLPFC), especially the left side, is likely to be inactivated in patients experiencing pain relief during patch treatment. Mindfulness meditation is another well-known complementary and integrative approach for achieving pain relief. The relation between pain relief due to mindfulness meditation and changes in brain regions, including the DLPFC, has long been examined. In the present review article, we survey the literature describing the effects of the above-mentioned complementary and integrative treatments on pain relief, and outline the important brain regions, including the DLPFC, that are involved in analgesia. We hope that the present article will provide clues to researchers who hope to advance neurosensory treatments for pain relief without medication.
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Affiliation(s)
- Etsuro Ito
- Department of Biology, Waseda University
| | - Kotaro Oka
- Department of Bioscience and Informatics, Keio University
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