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Yildirim E, Akbulut FP, Catal C. Analysis of facial emotion expression in eating occasions using deep learning. MULTIMEDIA TOOLS AND APPLICATIONS 2023; 82:1-13. [PMID: 37362640 PMCID: PMC10031178 DOI: 10.1007/s11042-023-15008-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 08/30/2022] [Accepted: 02/27/2023] [Indexed: 06/28/2023]
Abstract
Eating is experienced as an emotional social activity in any culture. There are factors that influence the emotions felt during food consumption. The emotion felt while eating has a significant impact on our lives and affects different health conditions such as obesity. In addition, investigating the emotion during food consumption is considered a multidisciplinary problem ranging from neuroscience to anatomy. In this study, we focus on evaluating the emotional experience of different participants during eating activities and aim to analyze them automatically using deep learning models. We propose a facial expression-based prediction model to eliminate user bias in questionnaire-based assessment systems and to minimize false entries to the system. We measured the neural, behavioral, and physical manifestations of emotions with a mobile app and recognize emotional experiences from facial expressions. In this research, we used three different situations to test whether there could be any factor other than the food that could affect a person's mood. We asked users to watch videos, listen to music or do nothing while eating. This way we found out that not only food but also external factors play a role in emotional change. We employed three Convolutional Neural Network (CNN) architectures, fine-tuned VGG16, and Deepface to recognize emotional responses during eating. The experimental results demonstrated that the fine-tuned VGG16 provides remarkable results with an overall accuracy of 77.68% for recognizing the four emotions. This system is an alternative to today's survey-based restaurant and food evaluation systems.
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Affiliation(s)
- Elif Yildirim
- Department of Computer Engineering, Istanbul Kültür University, Istanbul, Turkey
| | - Fatma Patlar Akbulut
- Department of Computer Engineering, Istanbul Kültür University, Istanbul, Turkey
| | - Cagatay Catal
- Department of Computer Science and Engineering, Qatar University, Doha, Qatar
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Nabizadehchianeh G, Kazemitabar M, Walker DI, Wind S. Psychometric properties of the short version of temperament evaluation of Memphis, Pisa, Paris, and San Diego—Autoquestionnaire (TEMPS-A): Persian version. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2023. [DOI: 10.1016/j.jadr.2023.100501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
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Karbownik MS, Kręczyńska J, Wiktorowska-Owczarek A, Kwarta P, Cybula M, Stilinović N, Pietras T, Kowalczyk E. Decrease in Salivary Serotonin in Response to Probiotic Supplementation With Saccharomyces boulardii in Healthy Volunteers Under Psychological Stress: Secondary Analysis of a Randomized, Double-Blind, Placebo-Controlled Trial. Front Endocrinol (Lausanne) 2021; 12:800023. [PMID: 35069447 PMCID: PMC8772029 DOI: 10.3389/fendo.2021.800023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/10/2021] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Bacterial probiotics are thought to exert a serotonergic effect relevant to their potential antidepressant and pro-cognitive action, but yeast probiotics have not been tested. The aim of the present study was to determine whether 30-day supplementation with Saccharomyces boulardii affects the level of salivary serotonin under psychological stress and identify the factors associated with it. METHODS Healthy medical students were randomized to ingest Saccharomyces boulardii CNCM I-1079 or placebo before a stressful event. Salivary serotonin concentration was assessed before and at the end of supplementation. Moreover, obtained results were compared to psychological, biochemical, physiological and sociodemographic study participants data. RESULTS Data of thirty-two participants (22.8 ± 1.7 years of age, 16 males) was available for the main analysis. Supplementation with Saccharomyces boulardii decreased salivary serotonin concentration under psychological stress by 3.13 (95% CI 0.20 to 6.07) ng/mL, p = 0.037, as compared to placebo. Salivary serotonin was positively correlated with salivary metanephrine (β = 0.27, 95% CI 0.02 to 0.52, p = 0.031) and pulse rate (β = 0.28, 95% CI 0.05 to 0.50, p = 0.018), but insignificantly with anxiety, depression, eating attitudes and information retrieval. CONCLUSIONS Saccharomyces boulardii CNCM I-1079 may be distinct from bacterial probiotics in its salivary serotonergic effect, which appears positively linked to symapathoadrenal markers. The study requires cautious interpretation, and further investigation.
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Affiliation(s)
- Michał Seweryn Karbownik
- Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland
- *Correspondence: Michał Seweryn Karbownik,
| | - Joanna Kręczyńska
- Department of Infectious Diseases and Hepatology, Medical University of Lodz, Łódź, Poland
| | | | - Paulina Kwarta
- Psychiatric Ward for Adolescents, Babinski Specialist Psychiatric Healthcare Center, Łódź, Poland
| | - Magdalena Cybula
- Oklahoma Medical Research Foundation, Aging and Metabolism Program, Oklahoma City, OK, United States
| | - Nebojša Stilinović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, University of Novi Sad, Novi Sad, Serbia
| | - Tadeusz Pietras
- Department of Clinical Pharmacology, Medical University of Lodz, Łódź, Poland
| | - Edward Kowalczyk
- Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland
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Bu L, Lai Y, Deng Y, Xiong C, Li F, Li L, Suzuki K, Ma S, Liu C. Negative Mood Is Associated with Diet and Dietary Antioxidants in University Students During the Menstrual Cycle: A Cross-Sectional Study from Guangzhou, China. Antioxidants (Basel) 2019; 9:antiox9010023. [PMID: 31888014 PMCID: PMC7023165 DOI: 10.3390/antiox9010023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/23/2019] [Accepted: 12/24/2019] [Indexed: 01/26/2023] Open
Abstract
Postpubescent females may have negative mood or premenstrual syndrome during the menstrual cycle; with the emotional and physical symptoms interfering with their quality of life. Little is known about the relationship of dietary behaviors and dietary antioxidant intake with negative mood or premenstrual syndrome in university students in China; so we explored the relationship between negative mood and dietary behavior in female university students during the three menstrual cycle phases. Random sampling was used to enroll 88 individuals from a university in Guangzhou; China in the study. Data were collected using self-administered questionnaires. Descriptive statistics and multiple logistic regression analyses were performed. During the menstrual phase, tea, black coffee and carbonated beverage intake was higher in the group with a high negative affect scale score than in the low score group (p < 0.05). Likewise; during the premenstrual phase, fresh fruit (banana and red Chinese dates) intake was higher in the group with a high negative affect scale score than in the low-score group (p < 0.05). The logistic regression analysis results showed that negative mood was positively associated with tea, coffee, and carbonated beverage intake during the menstrual phase (β = 0.21, p = 0.0453, odds ratio = 1.23), and negative mood was positively associated with banana and red Chinese dates intake during the premenstrual phase (β = 0.59, p = 0.0172, odds ratio = 1.81). Our results suggest that negative mood may be associated with diet and specific food in university postpubescent females.
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Affiliation(s)
- Lingling Bu
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Yuting Lai
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Yingyan Deng
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Chenlu Xiong
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Fengying Li
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Li Li
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 3591192, Japan;
| | - Sihui Ma
- Faculty of Sport Sciences, Waseda University, Tokorozawa 3591192, Japan;
- Correspondence: (S.M.); ; (C.L.); Tel.: +81-04-2947-6753 (S.M.); +86-20-8528-3448 (C.L.)
| | - Chunhong Liu
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; (L.B.); (Y.L.); (Y.D.); (C.X.); (F.L.); (L.L.)
- The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
- Correspondence: (S.M.); ; (C.L.); Tel.: +81-04-2947-6753 (S.M.); +86-20-8528-3448 (C.L.)
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Linking What We Eat to Our Mood: A Review of Diet, Dietary Antioxidants, and Depression. Antioxidants (Basel) 2019; 8:antiox8090376. [PMID: 31491962 PMCID: PMC6769512 DOI: 10.3390/antiox8090376] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/26/2019] [Accepted: 08/31/2019] [Indexed: 12/12/2022] Open
Abstract
Studies have shown that diet and nutrition play significant roles in the prevention of depression and its clinical treatment. The present review aims to provide a clear understanding of the associations between diet patterns, specific foods, nutrients such as antioxidants, and depression. As a result, balanced dietary patterns such as the Mediterranean diet and certain foods such as fish, fresh vegetables, and fruits have been associated with a lower risk of depression or depressive symptoms, while high-fat Western diets and sugar-sweetened beverages have been associated with higher risk of depression or depressive symptoms. Dietary antioxidants such as green tea polyphenols or isoflavonoid intake have been negatively associated with depression or depressive symptoms. It is concluded that diet patterns, specific foods, and antioxidants play important roles in the prevention and clinical treatment of depression.
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Schultchen D, Reichenberger J, Mittl T, Weh TRM, Smyth JM, Blechert J, Pollatos O. Bidirectional relationship of stress and affect with physical activity and healthy eating. Br J Health Psychol 2019; 24:315-333. [PMID: 30672069 PMCID: PMC6767465 DOI: 10.1111/bjhp.12355] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 12/30/2018] [Indexed: 11/30/2022]
Abstract
Objectives Physical activity and healthy eating seem to be protective against experiencing stress and negative affect as well as increase positive affect. At the same time, previous studies showed that people reduce salutogenic behaviours such as physical activity and healthy eating in the face of stress and negative affect while increasing such behaviours in the context of positive affect. Due to daily fluctuations of these behaviours, the present study examined these relationships in daily life using ecological momentary assessment (EMA). Design and methods Fifty‐one university students responded to six daily prompts during 7 days via smartphone‐based EMA. Items examined stress, emotional experience, physical activity duration, and healthy eating. Results Higher stress and negative affect, as well as lower positive affect, were related to a reduction in subsequent physical activity. Higher physical activity levels, in turn, were associated with less subsequent stress and negative affect, as well as more positive affect. No such effects for stress and affect on healthy eating or vice versa were found. Conclusions Engaging in physical activity is related to better mood and less stress/negative affect over the next several hours in daily life. Prevention efforts therefore may benefit by focusing on promoting physical activity, particularly when stress/negative affect is high to ‘break the cycle’ of inactivity, stress, and negative affect. Potential effects of healthy eating might be more subtle and characterized by interindividual differences or state effects. Statement of contribution What is already known on this subject? Physical activity can reduce stress as well as negative emotions and can enhance positive emotions. People tend to eat less healthy food during stressful times, and healthy eating can increase general health. Physical activity and healthy eating have been mostly assessed separately and through retrospective methods.
What does this study add? This is an EMA study investigating bidirectional effects of stress, emotions, and salutogenic behaviour. After physical activity, people felt less stressed/negative and more positive; feeling better and less stressed resulted in more physical activity. Healthy eating was not associated with stress or emotion level and vice versa.
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Affiliation(s)
- Dana Schultchen
- Department of Clinical and Health Psychology, Ulm University, Germany
| | - Julia Reichenberger
- Centre for Cognitive Neuroscience, University of Salzburg, Austria.,Department of Psychology, University of Salzburg, Austria
| | - Theresa Mittl
- Department of Clinical and Health Psychology, Ulm University, Germany
| | - Tabea R M Weh
- Department of Clinical and Health Psychology, Ulm University, Germany
| | - Joshua M Smyth
- Department of Biobehavioral Health and Medicine, Pennsylvania State University, State College, Pennsylvania, USA
| | - Jens Blechert
- Centre for Cognitive Neuroscience, University of Salzburg, Austria.,Department of Psychology, University of Salzburg, Austria
| | - Olga Pollatos
- Department of Clinical and Health Psychology, Ulm University, Germany
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Dietz C, Dekker M, Piqueras-Fiszman B. An intervention study on the effect of matcha tea, in drink and snack bar formats, on mood and cognitive performance. Food Res Int 2017; 99:72-83. [PMID: 28784536 DOI: 10.1016/j.foodres.2017.05.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 03/16/2017] [Accepted: 05/04/2017] [Indexed: 12/16/2022]
Abstract
Matcha tea is gaining popularity throughout the world in recent years and is frequently referred to as a mood-and-brain food. Previous research has demonstrated that three constituents present in matcha tea, l-theanine, epigallocatechin gallate (EGCG), and caffeine, affect mood and cognitive performance. However, to date there are no studies assessing the effect of matcha tea itself. The present study investigates these effects by means of a human intervention study administering matcha tea and a matcha containing product. Using a randomized, placebo-controlled, single-blind study, 23 consumers participated in four test sessions. In each session, participants consumed one of the four test products: matcha tea, matcha tea bar (each containing 4g matcha tea powder), placebo tea, or placebo bar. The assessment was performed at baseline and 60min post-treatment. The participants performed a set of cognitive tests assessing attention, information processing, working memory, and episodic memory. The mood state was measured by means of a Profile of Mood States (POMS). After consuming the matcha products compared to placebo versions, there were mainly significant improvements in tasks measuring basic attention abilities and psychomotor speed in response to stimuli over a defined period of time. In contrast to expectations, the effect was barely present in the other cognitive tasks. The POMS results revealed no significant changes in mood. The influence of the food matrix was demonstrated by the fact that on most cognitive performance measures the drink format outperformed the bar format, particularly in tasks measuring speed of spatial working memory and delayed picture recognition. This study suggests that matcha tea consumed in a realistic dose can induce slight effects on speed of attention and episodic secondary memory to a low degree. Further studies are required to elucidate the influences of the food matrix.
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Affiliation(s)
- Christina Dietz
- Food Quality and Design Group, Wageningen University, The Netherlands
| | - Matthijs Dekker
- Food Quality and Design Group, Wageningen University, The Netherlands
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Flaskerud JH. Nourishing Mind and Brain. Issues Ment Health Nurs 2015; 36:558-62. [PMID: 26309176 DOI: 10.3109/01612840.2014.994691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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O'Reilly GA, Huh J, Schembre SM, Tate EB, Pentz MA, Dunton G. Association of usual self-reported dietary intake with ecological momentary measures of affective and physical feeling states in children. Appetite 2015; 92:314-21. [PMID: 26032196 DOI: 10.1016/j.appet.2015.05.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 05/13/2015] [Accepted: 05/26/2015] [Indexed: 11/20/2022]
Abstract
BACKGROUND Little is known about the relationship between dietary intake and affective and physical feeling states in children. PURPOSE The current study used Ecological Momentary Assessment (EMA) to examine how usual dietary intake is cross-sectionally associated with both average affective and physical feeling state ratings and rating variability in children. METHODS Children (N = 110, mean age = 11.0 ± 1.2 years, 52.5% male, 30.1% Hispanic/Latino) completed EMA measures of affective and physical feeling states 3-7 times per day for a full or partial day (weekday evenings and weekend days and evenings) over a 4-day period. Usual intake of pre-selected dietary components was measured prior to the EMA measurement period using the Block Kids Food Screener. Statistical analyses included mixed models and mixed-effects location scale models. RESULTS Greater usual fiber intake was cross-sectionally associated with higher average positive affect (PA) ratings, lower variability of NA ratings, and higher variability of physical fatigue ratings. Lower usual glycemic load of diet was cross-sectionally associated with lower variability of NA ratings. Lower usual added sugar intake was cross-sectionally associated with higher average physical energy ratings and lower variability of NA ratings. CONCLUSIONS Although temporal precedence was not established by these findings, they indicate that characteristics of children's usual dietary intake are cross-sectionally associated with both the average and variability of affective and physical feeling states. EMA offers a promising avenue through which to explore the associations between affective states and diet and has the potential to provide insight into nuances of this relationship.
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Affiliation(s)
- Gillian A O'Reilly
- Institute for Prevention Research, University of Southern California, 2001 N. Soto Street, SSB 3rd Floor, Los Angeles, CA 90032, USA.
| | - Jimi Huh
- Institute for Prevention Research, University of Southern California, 2001 N. Soto Street, SSB 3rd Floor, Los Angeles, CA 90032, USA
| | - Susan M Schembre
- The University of Texas MD Anderson Cancer Center, 1155 Pressler St., Unit Number: 1330, Houston, TX 77030, USA
| | - Eleanor B Tate
- Institute for Prevention Research, University of Southern California, 2001 N. Soto Street, SSB 3rd Floor, Los Angeles, CA 90032, USA
| | - Mary Ann Pentz
- Institute for Prevention Research, University of Southern California, 2001 N. Soto Street, SSB 3rd Floor, Los Angeles, CA 90032, USA
| | - Genevieve Dunton
- Institute for Prevention Research, University of Southern California, 2001 N. Soto Street, SSB 3rd Floor, Los Angeles, CA 90032, USA
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Affiliation(s)
- Jacquelyn H Flaskerud
- University of California-Los Angeles, School of Nursing, Los Angeles, California, USA
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Abstract
Food is a potent natural reward and food intake is a complex process. Reward and gratification associated with food consumption leads to dopamine (DA) production, which in turn activates reward and pleasure centers in the brain. An individual will repeatedly eat a particular food to experience this positive feeling of gratification. This type of repetitive behavior of food intake leads to the activation of brain reward pathways that eventually overrides other signals of satiety and hunger. Thus, a gratification habit through a favorable food leads to overeating and morbid obesity. Overeating and obesity stems from many biological factors engaging both central and peripheral systems in a bi-directional manner involving mood and emotions. Emotional eating and altered mood can also lead to altered food choice and intake leading to overeating and obesity. Research findings from human and animal studies support a two-way link between three concepts, mood, food, and obesity. The focus of this article is to provide an overview of complex nature of food intake where various biological factors link mood, food intake, and brain signaling that engages both peripheral and central nervous system signaling pathways in a bi-directional manner in obesity.
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Affiliation(s)
- Minati Singh
- Department of Pediatrics, University of Iowa Iowa City, IA, USA ; Department of Pediatrics, HHMI, University of Iowa Iowa City, IA, USA
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Mikolajczyk RT, El Ansari W, Maxwell AE. Food consumption frequency and perceived stress and depressive symptoms among students in three European countries. Nutr J 2009; 8:31. [PMID: 19604384 PMCID: PMC2716364 DOI: 10.1186/1475-2891-8-31] [Citation(s) in RCA: 215] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2008] [Accepted: 07/15/2009] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Certain foods might be more frequently eaten under stress or when higher levels of depressive symptoms are experienced. We examined whether poor nutritional habits are associated with stress and depressive symptoms and whether the relationships differ by country and gender in a sample from three European countries collected as part of a Cross National Student Health Survey. METHODS A cross-sectional survey was conducted among first-year students in Germany (N = 696), Poland (N = 489) and Bulgaria (N = 654). Self-administered questionnaires included a 12-item food frequency questionnaire, Cohen's Perceived Stress Scale, and a modified Beck Depression Index. Linear regression analyses were conducted for two outcomes, perceived stress and depressive symptoms. RESULTS Food consumption frequencies differed by country and gender, as did depressive symptoms and perceived stress. For male students, none of the food consumption groups were associated with perceived stress or depressive symptoms. In females, perceived stress was associated with more frequent consumption of sweets/fast foods and less frequent consumption of fruits/vegetables. Additionally, depressive symptoms were associated with less frequent consumption of fruits/vegetables and meat. CONCLUSION Our data show consistent associations between unhealthy food consumption and depressive symptoms and perceived stress among female students from three European countries, but not among male students. This suggests that efforts to reduce depressive symptoms and stress among female students may also lead to the consumption of healthier foods and/or vice-versa.
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Affiliation(s)
- Rafael T Mikolajczyk
- Department of Public Health Medicine, School of Public Health, University of Bielefeld, Germany
| | - Walid El Ansari
- University of Gloucestershire, Faculty of Sport, Health & Social Care, Oxstalls Campus, Oxstalls Lane, Gloucester GL2 9HW, UK
| | - Annette E Maxwell
- School of Public Health and Jonsson Comprehensive Cancer Center, University of California, Los Angeles, USA
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Liu C, Xie B, Chou CP, Koprowski C, Zhou D, Palmer P, Sun P, Guo Q, Duan L, Sun X, Anderson Johnson C. Perceived stress, depression and food consumption frequency in the college students of China seven cities. Physiol Behav 2007; 92:748-54. [PMID: 17585967 DOI: 10.1016/j.physbeh.2007.05.068] [Citation(s) in RCA: 122] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2007] [Revised: 05/24/2007] [Accepted: 05/24/2007] [Indexed: 11/19/2022]
Abstract
The aim of the study was to explore the association between perceived stress, depression and food consumption frequency. A self-administered questionnaire that included the perceived stress scale, the depression scale and dietary intake was used in the baseline survey of a cohort study of 2579 local college students over 7 cities in China. Gender and city differences were found in perceived stress scores and depression scores. There were also significant differences among diverse smoking levels and among perceived weight categories in perceived stress and depression scores. Stepwise logistic regression models found that frequency of consumption of fresh fruit, ready-to-eat food and snack food had apparently independent effects on perceived stress, whereas the intake level of fresh fruit, ready-to-eat food and fast food was significantly associated with depression. The link between food consumption frequency, perceived stress and depression suggests that diet intervention may be considered a mediate strategy integrated in psychology prevention program among normal population of the college.
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Affiliation(s)
- Chunhong Liu
- College of Food Science, South China Agricultural University, 510642 Guangzhou, China.
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Calderón-Guzmán D, Espitia-Vázquez I, López-Domínguez A, Hernández-García E, Huerta-Gertrudis B, Coballase-Urritia E, Juárez-Olguín H, García-Fernández B. Effect of Toluene and Nutritional Status on Serotonin, Lipid Peroxidation Levels and NA+/K+-ATPase in Adult Rat Brain. Neurochem Res 2005; 30:619-24. [PMID: 16176065 DOI: 10.1007/s11064-005-2749-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The aim was to evaluate the effect of toluene and nutritional status on levels of serotonin (5-HT), 5-hydroxytryptophan (5-HTP), Na+/K+-ATPase, total ATPase and lipid peroxidation (TBARS) in rat brain. Study was conducted with malnourished (MN), well-nourished (WN) and normal Wistar rats. Three groups were formed for each nutritional status: control group I received 0.9% NaCl; toluene (1 g/kg) was administered to group II, and 1.5 g/kg to group III. Levels of 5-HT decreased (P < 0.05) in WN toluene groups, and 5-HTP decreased (P < 0.05) in the WN 1 g toluene and MN 1.5 g toluene groups. TBARS decreased (P < 0.05) in WN toluene groups. A trend to increase in Na+/K+-ATPase was found in WN and MN toluene groups, while total ATPase increased (P < 0.05) in the WN 1.5 g toluene group. The results suggest that high concentrations of toluene in single doses induce significant changes in the serotonergic system and alter membrane fluidity more perceptibly in the brain of adult animals with regular diet than in malnourished animals.
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Minet-Ringuet J, Le Ruyet PM, Tomé D, Even PC. A tryptophan-rich protein diet efficiently restores sleep after food deprivation in the rat. Behav Brain Res 2004; 152:335-40. [PMID: 15196801 DOI: 10.1016/j.bbr.2003.10.018] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2003] [Revised: 09/08/2003] [Accepted: 10/12/2003] [Indexed: 11/25/2022]
Abstract
Sleep depends on the quantity and quality of the diet. Several studies have shown that food deprivation results in a reduction in sleep duration. It has also been demonstrated that in the newborn, the supply of certain essential amino acids improves sleep through their action on the synthesis of specific neurotransmitters. The aim of the present study was to test if the quantity and/or quality of dietary protein could improve the recovery of sleep during re-feeding after caloric deprivation. Sleep parameters were compared in rats fed ad libitum, food restricted during 4 days, or reefed isocalorically after food restriction with three dietary regimens varying in terms of the amount (14% versus 30%) or quality (milk protein or alpha-lactalbumin) of protein. The results showed that sleep recovery, in particular slow-wave sleep, was improved in rats re-fed with alpha-lactalbumin. This result confirms the close relationship between feeding and sleep and suggest that alpha-lactabumin could be used to improve sleep in adult submitted to nutritional disturbances such as food restriction, shift work, Ramadan.
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Affiliation(s)
- J Minet-Ringuet
- UMR INRA/INA P-G, UMR physiologie de la nutrition et du comportement alimentaire, Institut National Agronomique Paris-Grignon, 16 rue Claude Bernard, 75231 Paris Cedex 05, France
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Abstract
Este trabalho revisa as alterações cerebrais de serotonina quando da oferta de nutrientes (carboidratos, proteínas e aminoácidos) durante atividade física. Utilizando a estratégia nutricional, o foco é o aminoácido precursor da serotonina cerebral: o triptofano; sendo um aminoácido essencial, é possível sua modulação via dieta. Uma abordagem emergente e polêmica está relacionada à fadiga durante atividade de curta e longa duração e sua relação com a função serotoninérgica cerebral. Os mecanismos propostos para o desenvolvimento de fadiga precoce durante o exercício se apresentam amplamente inexplorados. Assim serão discutidos os prováveis mecanismos envolvidos na "hipótese da fadiga central" e a oferta de carboidratos e aminoácidos como estratégia para retardar este fato durante atividade física e alcançar melhora no rendimento esportivo.
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Affiliation(s)
- Luciana Rossi
- Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP
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Elfhag K, Carlsson AM, Rössner S. Subgrouping in obesity based on Rorschach personality characteristics. Scand J Psychol 2003; 44:399-407. [PMID: 15030105 DOI: 10.1046/j.1467-9450.2003.00360.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Conceptual (a priori) subgroups in obesity based on personality findings from the Rorschach Comprehensive System were suggested for 100 obese patients. The subgroups were further compared in terms of general anamnestic and behavioral data. The largest subgroup was Rorschach characterized by difficulties with emotions and a tendency towards depression. Demographic and behavioral data for this subgroup revealed intermediate or higher education, regular meals, eating disorders like binge eating, periodic variations in eating during the year and experiencing body size as having a psychological meaning. The other subgroup was characterized by coping liabilities and was further associated with a lower socio-economic level and irregular or chaotic meal patterns. For the group with emotional difficulties, the results suggest a more complex psychological pattern, where eating and emotions could be closely related. The group with coping liabilities could have difficulties other than emotional ones concerning food and eating, such as finding a structure for eating and making changes in lifestyle and habits.
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Affiliation(s)
- Kristina Elfhag
- Obesity Unit, Karolinska Institutet, Huddinge University Hospital, Stockholm, Sweden.
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