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Book: Homeostatic role of the parasympathetic nervous system in human behavior

Pichon, Aurélien / Chapelot, Didier

(Neuroscience research progress series)

2010

Author's details	Aurélien Pichon ; Didier Chapelot
Series title	Neuroscience research progress series
Keywords	Parasympathetic Nervous System / physiology ; Homeostasis ; Behavior / physiology
Language	English
Size	X, 48 S., 23 cm
Publisher	Nova Science Publ
Publishing place	New York
Publishing country	United States
Document type	Book
HBZ-ID	HT016291035
ISBN	978-1-60876-804-2 ; 1-60876-804-X
Database	Catalogue ZB MED Medicine, Health

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Shelf mark	Loan status	Location
2010 A 2473	order for loan	Magazin

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Article ; Online: Comparison of energy-matched high-intensity interval and moderate-intensity continuous exercise sessions on latency to eat, energy intake, and appetite.

Charlot, Keyne / Chapelot, Didier

Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme

2018 Volume 44, Issue 6, Page(s) 665–673

Abstract: High-intensity interval exercises ( ... ...

Abstract	High-intensity interval exercises (HII
MeSH term(s)	Appetite ; Energy Intake ; Energy Metabolism ; Feeding Behavior ; High-Intensity Interval Training ; Humans ; Hunger ; Male ; Physical Conditioning, Human/methods ; Young Adult
Language	English
Publishing date	2018-11-19
Publishing country	Canada
Document type	Comparative Study ; Journal Article ; Randomized Controlled Trial
ZDB-ID	2236708-1
ISSN	1715-5320 ; 1715-5312
ISSN (online)	1715-5320
ISSN	1715-5312
DOI	10.1139/apnm-2018-0485
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Article ; Online: Daily energy balance and eating behaviour during a 14-day cold weather expedition in Greenland.

Charlot, Keyne / Chapelot, Didier / Colin, Philippe / Bourrilhon, Cyprien

Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme

2020 Volume 45, Issue 9, Page(s) 968–977

Abstract: We assessed energy compensation, appetite, and reward value of foods during a 14-day military expedition in Greenland realized by 12 male French soldiers, during which energy compensation was optimized by providing them with easy-to-eat palatable foods ... ...

Abstract	We assessed energy compensation, appetite, and reward value of foods during a 14-day military expedition in Greenland realized by 12 male French soldiers, during which energy compensation was optimized by providing them with easy-to-eat palatable foods in excess. Although daily energy expenditure (estimated by accelerometry) stayed relatively constant throughout the expedition (15 ± 9 MJ·day
MeSH term(s)	Adult ; Appetite ; Cold Temperature ; Energy Intake ; Energy Metabolism ; Expeditions ; Feeding Behavior ; Food Preferences ; Greenland ; Humans ; Hunger ; Male ; Middle Aged ; Military Personnel
Language	English
Publishing date	2020-03-18
Publishing country	Canada
Document type	Journal Article
ZDB-ID	2236708-1
ISSN	1715-5320 ; 1715-5312
ISSN (online)	1715-5320
ISSN	1715-5312
DOI	10.1139/apnm-2019-0677
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Article ; Online: Physiology of energy homeostasis: Models, actors, challenges and the glucoadipostatic loop.

Chapelot, Didier / Charlot, Keyne

Metabolism: clinical and experimental

2018 Volume 92, Page(s) 11–25

Abstract: The aim of this review is to discuss the physiology of energy homeostasis (EH), which is a debated concept. Thus, we will see that the set-point theory is highly challenged and that other models integrating an anticipative component, such as energy ... ...

Abstract	The aim of this review is to discuss the physiology of energy homeostasis (EH), which is a debated concept. Thus, we will see that the set-point theory is highly challenged and that other models integrating an anticipative component, such as energy allostasis, seem more relevant to experimental reports and life preservation. Moreover, the current obesity epidemic suggests that EH is poorly efficient in the modern human dietary environment. Non-homeostatic phenomena linked to hedonism and reward seem to profoundly impair EH. In this review, the apparent failed homeostatic responses to energy challenges such as exercise, cafeteria diet, overfeeding and diet-induced weight loss, as well as their putative determinants, are analyzed to highlight the mechanisms of EH. Then, the hormonal, neuronal, and metabolic factors of energy intake or energy expenditure are briefly presented. Last, this review focuses on the contributions of two of the most pivotal and often overlooked determinants of EH: the availability of endogenous energy and the pattern of energy intake. A glucoadipostatic loop model is finally proposed to link energy stored in adipose tissue to EH through changes in eating behavior via leptin and sympathetic nervous system activity.
MeSH term(s)	Adipose Tissue/metabolism ; Energy Metabolism/physiology ; Glucose/metabolism ; Homeostasis/physiology ; Hormones ; Lipid Metabolism/physiology
Chemical Substances	Hormones ; Glucose (IY9XDZ35W2)
Language	English
Publishing date	2018-11-27
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	80230-x
ISSN	1532-8600 ; 0026-0495
ISSN (online)	1532-8600
ISSN	0026-0495
DOI	10.1016/j.metabol.2018.11.012
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Article ; Online: The role of snacking in energy balance: a biobehavioral approach.

Chapelot, Didier

The Journal of nutrition

2010 Volume 141, Issue 1, Page(s) 158–162

Abstract: Snacking is often presumed to contribute to obesity, but to date, studies have not demonstrated such a causal relationship, probably because a clear definition of snacking is still elusive. The usual one, i.e. any intake between traditional meals, has no ...

Abstract	Snacking is often presumed to contribute to obesity, but to date, studies have not demonstrated such a causal relationship, probably because a clear definition of snacking is still elusive. The usual one, i.e. any intake between traditional meals, has no physiological basis. Moreover, because some evidence suggests that frequent meals may prevent overweight, any confusion between snacks and meals may mask the deleterious effect of snacks on energy balance. Therefore, we developed a biobehavioral approach to assess whether objective criteria for eating a meal and snacking could be determined. Our main findings were that regardless of the time of consumption or macronutrient composition, snacks exerted a weak satiety effect, with those higher in protein having the strongest. The energy content of snacks was never compensated for at the next meal and led consistently to a positive energy balance compared with no-snack conditions. Biologically, the snack-induced insulin secretion suppressed the late increase in plasma FFA, which may have contributed to the inhibition of satiety. Lastly, snacking was not preceded by the glucose and insulin profile observed prior to a spontaneously requested meal. In conclusion, further studies on the role of snacking in energy balance should include criteria other than nutrient composition or consumption between meals for defining these eating occasions as snacks.
MeSH term(s)	Dietary Carbohydrates/administration & dosage ; Eating ; Energy Intake ; Energy Metabolism ; Fatty Acids, Nonesterified/physiology ; Feeding Behavior ; Humans ; Overweight/etiology
Chemical Substances	Dietary Carbohydrates ; Fatty Acids, Nonesterified
Language	English
Publishing date	2010-12-01
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	218373-0
ISSN	1541-6100 ; 0022-3166
ISSN (online)	1541-6100
ISSN	0022-3166
DOI	10.3945/jn.109.114330
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Article: Comparison of energy-matched high-intensity interval and moderate-intensity continuous exercise sessions on latency to eat, energy intake, and appetite

Charlot, Keyne / Chapelot, Didier

Applied physiology, nutrition and metabolism. 2019, v. 44, no. 6

2019

Abstract: High-intensity interval exercises (HIIex) have gained popularity but their effects on eating behavior are poorly known. The aim of this study was to evaluate whether the effects of HIIex on the 3 main components of eating behavior (appetite, intake, and ... ...

Abstract	High-intensity interval exercises (HIIex) have gained popularity but their effects on eating behavior are poorly known. The aim of this study was to evaluate whether the effects of HIIex on the 3 main components of eating behavior (appetite, intake, and latency to eat) differ from those of moderate-intensity continuous exercises (MICex) for the same energy expenditure. Fifteen young normal-weight males completed 3 sessions in a counterbalanced order: HIIex (30-s bouts at 90% of maximal oxygen uptake interceded with 60-s bouts at 35% of maximal oxygen uptake for 20 min), MICex (42% of maximal oxygen uptake for 40 min), and a resting session (REST). Trials were scheduled 80 and 100 min after a standard breakfast for MICex and HIIex, respectively. At 120 min, participants were isolated until they asked for lunch. Appetite was rated on 4 visual analog scales (hunger, desire to eat, fullness, and prospective consumption) every 15 min until meal request. Results showed that the mean latency of requesting lunch was significantly longer after HIIex than after REST (+17.3 ± 4.3 min, P = 0.004), but not after MICex (P = 0.686). Energy intake was not different between conditions, leading to a negative energy balance in the 2 exercise sessions. Thus, the effects of HIIex on eating behavior are likely primarily mediated through the latency of meal initiation. However, inter-individual variability was large and further studies are needed to identify the predictive factors of this response.
Keywords	breakfast ; eating habits ; energy expenditure ; energy intake ; exercise ; hunger ; lunch ; males ; oxygen
Language	English
Size	p. 665-673.
Publishing place	NRC Research Press
Document type	Article
ZDB-ID	2236708-1
ISSN	1715-5320 ; 1715-5312
ISSN (online)	1715-5320
ISSN	1715-5312
DOI	10.1139/apnm-2018-0485
Database	NAL-Catalogue (AGRICOLA)

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Article: Is leptin the causal factor of the changes in food intake observed after glucocorticoid infusion?

Chapelot, Didier

Metabolism: clinical and experimental

2006 Volume 55, Issue 5, Page(s) 696–7; author reply 697

MeSH term(s)	Eating ; Glucocorticoids/pharmacology ; Humans ; Hydrocortisone/pharmacology ; Leptin/metabolism
Chemical Substances	Glucocorticoids ; Leptin ; Hydrocortisone (WI4X0X7BPJ)
Language	English
Publishing date	2006-05
Publishing country	United States
Document type	Comment ; Letter
ZDB-ID	80230-x
ISSN	1532-8600 ; 0026-0495
ISSN (online)	1532-8600
ISSN	0026-0495
DOI	10.1016/j.metabol.2005.12.001
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Article: Daily energy balance and eating behaviour during a 14-day cold weather expedition in Greenland

Charlot, Keyne / Chapelot, Didier / Colin, Philippe / Bourrilhon, Cyprien

Applied physiology, nutrition and metabolism. 2020, v. 45, no. 9

2020

Abstract	We assessed energy compensation, appetite, and reward value of foods during a 14-day military expedition in Greenland realized by 12 male French soldiers, during which energy compensation was optimized by providing them with easy-to-eat palatable foods in excess. Although daily energy expenditure (estimated by accelerometry) stayed relatively constant throughout the expedition (15 ± 9 MJ·day⁻¹), energy intake (EI; estimated by self-reported diaries) was 17% higher during the D8–D14 period compared with the D1–D7 period, leading to a neutral energy balance (EB). Body fat mass (BFM) significantly decreased (–1.0 ± 0.7 kg, p < 0.001) but not body mass (BM). Neither hunger scores (assessed by visual analog scales) nor components of the reward value of food (explicit liking (EL) and food preference) were significantly altered. However, changes in EL at D10 were positively correlated with changes in BM (r = 0.600, p < 0.05) and BFM (r = 0.680, p < 0.05) and changes in hunger in the EI of the relevant period (r = 0.743, p < 0.01 for D1–D7, r = 0.652, p < 0.05 for D8–14). This study shows that the negative EB and BM loss can be attenuated by an appropriate food supply and that subjective components of eating behaviour, such as hunger and EL, may be useful to predict the magnitude of energy compensation. Novelty Energy intake increases during of a 14-day expedition in the cold. Energy compensation was likely facilitated by providing participants with easy-to-eat palatable and familiar foods. Hunger scores and EL for energy-dense foods were associated with high EIs and low BM changes.
Keywords	accelerometry ; body fat ; correlation ; energy expenditure ; energy intake ; exhibitions ; food availability ; food choices ; high energy foods ; hunger ; males ; mass ; metabolism ; weather ; Greenland
Language	English
Size	p. 968-977.
Publishing place	NRC Research Press
Document type	Article
Note	NAL-light
ZDB-ID	2236708-1
ISSN	1715-5320 ; 1715-5312
ISSN (online)	1715-5320
ISSN	1715-5312
DOI	10.1139/apnm-2019-0677
Database	NAL-Catalogue (AGRICOLA)

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Article: The Role of Snacking in Energy Balance: a Biobehavioral Approach

Chapelot, Didier

Journal of nutrition. 2011 Jan., v. 141, no. 1

2011

Abstract	Snacking is often presumed to contribute to obesity, but to date, studies have not demonstrated such a causal relationship, probably because a clear definition of snacking is still elusive. The usual one, i.e. any intake between traditional meals, has no physiological basis. Moreover, because some evidence suggests that frequent meals may prevent overweight, any confusion between snacks and meals may mask the deleterious effect of snacks on energy balance. Therefore, we developed a biobehavioral approach to assess whether objective criteria for eating a meal and snacking could be determined. Our main findings were that regardless of the time of consumption or macronutrient composition, snacks exerted a weak satiety effect, with those higher in protein having the strongest. The energy content of snacks was never compensated for at the next meal and led consistently to a positive energy balance compared with no-snack conditions. Biologically, the snack-induced insulin secretion suppressed the late increase in plasma FFA, which may have contributed to the inhibition of satiety. Lastly, snacking was not preceded by the glucose and insulin profile observed prior to a spontaneously requested meal. In conclusion, further studies on the role of snacking in energy balance should include criteria other than nutrient composition or consumption between meals for defining these eating occasions as snacks.
Keywords	diet ; food intake ; humans ; snacks ; meals (menu) ; eating habits ; food choices ; energy balance ; energy metabolism ; obesity ; overweight ; food composition ; satiety ; dietary protein ; energy content ; insulin ; hormone secretion ; free fatty acids ; blood glucose
Language	English
Dates of publication	2011-01
Size	p. 158-162.
Publishing place	American Society for Nutrition
Document type	Article
Note	Paper presented at the symposium "Eating patterns and energy balance: A look at eating frequency, snacking and breakfast omission," held April 19, 2009, in New Orleans, Louisiana.
ZDB-ID	218373-0
ISSN	1541-6100 ; 0022-3166
ISSN (online)	1541-6100
ISSN	0022-3166
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: An augmented food strategy leads to complete energy compensation during a 15-day military training expedition in the cold.

Charlot, Keyne / Chapelot, Didier / Siracusa, Julien / Lavoué, Chloé / Colin, Philippe / Oustric, Pauline / Thivel, David / Finlayson, Graham / Bourrilhon, Cyprien

Physiological reports

2021 Volume 9, Issue 11, Page(s) e14591

Abstract: Soldiers on military expeditions usually fail to compensate for the increase in energy expenditure, with potential deleterious consequences. We therefore analyzed the characteristics of energy compensation in 12 male soldiers, during a 15-day expedition ... ...

Abstract	Soldiers on military expeditions usually fail to compensate for the increase in energy expenditure, with potential deleterious consequences. We therefore analyzed the characteristics of energy compensation in 12 male soldiers, during a 15-day expedition in the cold, while alleviating some of the contextual limitations of food intake (~20-MJ daily bags of easy-to-use, highly palatable and familiar foods with multiple and long breaks allowed during the day). Body and fat mass losses were low and moderate, respectively (-1.13 ± 1.42% and -19.5 ± 15.6%, respectively, p < .021). Mean energy intake (EI) was high (~16.3 MJ) and increased at each third of the expedition (15.3 ± 2.1, 16.1 ± 2.1, and 17.6 ± 2.0 for D1-5, D6-10 and D11-15, respectively, p < .012). This resulted in reaching a neutral energy balance as soon as the D6 to 10 period and reaching normal energy availability during D11 to 15. Participants only increased their EI during the mid-day (10:00-14:00) period (p = .002) whereas hunger and thirst only increased in the morning, with higher scores during D11-15 than D1-5 (p < .009). Last, the reward value of sweet foods was also higher during D11-15 than during D1-5 (p = .026). The changes in body mass were positively associated with EI (r = 0.598, p = .040) and carbohydrate intake (r = 0.622, p = .031). This study indicates that complete energy compensation can be reached in challenging field conditions when food intake is facilitated, offering some guidelines to limit energy deficit during operational missions.
MeSH term(s)	Adult ; Cold Temperature/adverse effects ; Eating/physiology ; Energy Intake/physiology ; Energy Metabolism/physiology ; Humans ; Male ; Military Personnel ; Physical Exertion/physiology ; Young Adult
Language	English
Publishing date	2021-04-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	2724325-4
ISSN	2051-817X ; 2051-817X
ISSN (online)	2051-817X
ISSN	2051-817X
DOI	10.14814/phy2.14591
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