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DocumentNutrition: Rejection Is the Fly’s Protection2014

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2010
Location: Arquivo PCA - Pastas 1 a 23
Title:
2010 Grants
Start date: 2011-01

Reference code: PT/FB/BL-2010-167
Location: Arquivo PCA - Pasta 13/2010
Title:
167 - Elucidating the molecular mechanisms mediating feeding behavior
Duration: 2011-05 - 2014-09
Researcher(s):
Carlos Vidal Ribeiro, Maria Teresa Montez, Laura Belmonte, Samantha Herbert
Institution(s): Champalimaud Foundation, Lisboa (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Language: eng
Author:
Ribeiro, C.
Secondary author(s):
Montez, M., Belmonte, L., Herbert, S.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Motivation / Eating behavior

Reference code: PT/FB/BL-2010-167.04
Location: SEC PCA - 167/10
Title:
Nutrition: Rejection Is the Fly’s Protection
Publication year: 2014
URL:
http://www.sciencedirect.com/science/article/pii/S0960982214002115
Abstract/Results: ABSTRACT:
Animals need to ingest a full set of essential amino acids through their diet. A new study in Drosophila larvae describes how activation of the kinase GCN2 in three dopaminergic neurons mediates the rejection of amino-acid-imbalanced food.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Herbert, S.
Secondary author(s):
Ribeiro, C.
Document type:
Article
Number of reproductions:
1
Percentiles:
7
Reference:
Herbert, S., & Ribeiro, C. (2014). Nutrition: Rejection Is the Fly’s Protection. Current Biology, 24(7), R278–R280. https://doi.org/10.1016/j.cub.2014.02.043
2-year Impact Factor: 9.571|2014
Times cited: 1|2024-02-02
Indexed document: Yes
Quartile: Q1
Keywords: Drosophila / Feeding behavior

Nutrition: Rejection Is the Fly’s Protection

Nutrition: Rejection Is the Fly’s Protection
File283 - Identifying and characterizing the neuronal circuits required for nutrient choice and their effects on aging2015-052017-07

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2014
Location: BF-GMS
Title:
2014 Grants
Start date: 2015-01

Reference code: PT/FB/BL-2014-283
Location: BF-GMS
Title:
283 - Identifying and characterizing the neuronal circuits required for nutrient choice and their effects on aging
Duration: 2015-05 - 2017-07
Researcher(s):
Carlos Ribeiro, Ana Paula Elias, Matthew D. W. Piper, Samantha Herbert, Samuel Walker
Institution(s): Champalimaud Centre for the Unknown, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Progress reports
Final report
Articles
Language: eng
Author:
Ribeiro, C.
Secondary author(s):
Elias, A., Piper, M. D., Herbert, S., Walker, S.
Number of reproductions:
1
Keywords:
Drosophila / Feeding Behavior / Aging / Neuronal Circuits / Psychophysiology
DocumentGonadal ecdysone titers are modulated by protein availability but do not impact protein appetite2018

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2014
Location: BF-GMS
Title:
2014 Grants
Start date: 2015-01

Reference code: PT/FB/BL-2014-283
Location: BF-GMS
Title:
283 - Identifying and characterizing the neuronal circuits required for nutrient choice and their effects on aging
Duration: 2015-05 - 2017-07
Researcher(s):
Carlos Ribeiro, Ana Paula Elias, Matthew D. W. Piper, Samantha Herbert, Samuel Walker
Institution(s): Champalimaud Centre for the Unknown, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Progress reports
Final report
Articles
Language: eng
Author:
Ribeiro, C.
Secondary author(s):
Elias, A., Piper, M. D., Herbert, S., Walker, S.
Number of reproductions:
1
Keywords:
Drosophila / Feeding Behavior / Aging / Neuronal Circuits / Psychophysiology

Reference code: PT/FB/BL-2014-283.04
Location: BF-GMS
Title:
Gonadal ecdysone titers are modulated by protein availability but do not impact protein appetite
Publication year: 2018
URL:
http://www.sciencedirect.com/science/article/pii/S0022191017301130?via%3Dihub
Abstract/Results: ABSTRACT:
How animals survey internal nutrient availability to modulate specific appetites is currently largely unknown. Dietary proteins have a profound impact on the reproductive capacity and the selection of food sources in insects. When deprived of dietary proteins, insects stop producing eggs and develop strong protein appetites. In many adult insects, the ovaries are the site of synthesis of the ecdysone hormone. Therefore, an attractive hypothesis is that protein availability changes the gonadal production of ecdysone, which instructs the brain to increase its preference for yeast. We combine quantitative feeding assays, dietary manipulations, hormonal measurements, and genetic germline manipulations to test this hypothesis in Drosophila melanogaster. Our results show that upon yeast deprivation mated adult female Drosophila develop a strong yeast appetite and strongly reduce their egg production. This dietary manipulation also leads to a drastic reduction in ecdysone titers. However, the drop in ecdysone is not linked to the increase in yeast appetite as mutants with impaired oogenesis are able to adapt yeast intake to their nutrient state while displaying a constitutive low ecdysone titer. Interestingly, a low ecdysone titer is correlated with a lower level of overall food intake. Our data therefore show that in mated females the level of ecdysone reflects the level of protein in the diet and the physiological state of the ovaries. While the ovaries and ecdysone are unlikely to instruct the brain to develop a yeast appetite upon protein deprivation, they seem to be able to control overall food intake.
Accessibility: Document does not exist in file
Language:
eng
Author:
Carvalho-Santos, Z.
Secondary author(s):
Ribeiro, C.
Document type:
Article
Number of reproductions:
1
Percentiles:
6
Reference:
Carvalho-Santos, Z., & Ribero, C. (2018). Gonadal ecdysone titers are modulated by protein availability but do not impact protein appetite. Journal of Insect Physiology, 106, 30-35. https://doi.org/10.1016/j.jinsphys.2017.08.006
2-year Impact Factor: 2.862|2018
Times cited: 9|2024-02-09
Indexed document: Yes
Quartile: Q1
Keywords: Ecdysone / Feeding behavior / Gonads / Drosophila melanogaster / Nutrient homeostasis / Protein appetite
DocumentPostingestive modulation of food seeking depends on vagus-mediated dopamine neuron activity2020

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2010
Location: Arquivo PCA - Pastas 1 a 23
Title:
2010 Grants
Start date: 2011-01

Reference code: PT/FB/BL-2010-176
Location: Arquivo PCA - Pasta 14/2010
Title:
176 - Dopaminergic regulation of dietary learning in humans and rodents
Duration: 2011-07 - 2014-07
Researcher(s):
Albino Jorge Carvalho de Sousa Oliveira Maia, Rui M. Costa
Institution(s): Champalimaud Foundation, Lisbon (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Language: eng
Author:
Oliveira-Maia, A. J.
Secondary author(s):
Costa, R. M.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Learning / Biopsychological problems / Diseases/Injuries / Obesity / Brain structure and function

Reference code: PT/FB/BL-2010-176.08
Location: Arquivo PCA - Pasta 14/2010
Title:
Postingestive modulation of food seeking depends on vagus-mediated dopamine neuron activity
Publication year: 2020
URL:
https://www.cell.com/neuron/pdf/S0896-6273(20)30216-6.pdf?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0896627320302166%3Fshowall%3Dtrue
Abstract/Results: ABSTRACT:
Postingestive nutrient sensing can induce food preferences. However, much less is known about the ability of postingestive signals to modulate food-seeking behaviors. Here we report a causal connection between postingestive sucrose sensing and vagus-mediated dopamine neuron activity in the ventral tegmental area (VTA), supporting food seeking. The activity of VTA dopamine neurons increases significantly after administration of intragastric sucrose, and deletion of the NMDA receptor in these neurons, which affects bursting and plasticity, abolishes lever pressing for postingestive sucrose delivery. Furthermore, lesions of the hepatic branch of the vagus nerve significantly impair postingestive-dependent VTA dopamine neuron activity and food seeking, whereas optogenetic stimulation of left vagus nerve neurons significantly increases VTA dopamine neuron activity. These data establish a necessary role of vagus-mediated dopamine neuron activity in postingestive-dependent food seeking, which is independent of taste signaling.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Fernandes, A. B.
Secondary author(s):
Alves da Silva, J., Almeida, J., Cui, G., Gerfen, C. R. , Costa, R. M. , Oliveira-Maia, A.
Document type:
Article
Number of reproductions:
1
Percentiles:
4
Reference:
Fernandes, A. B., Alves da Silva, J., Almeida, J., Cui, G., Gerfen, C. R., Costa, R. M., & Oliveira-Maia, A. (2020). Postingestive modulation of food seeking depends on vagus-mediated dopamine neuron activity. Neuron. https://doi.org/10.1016/j.neuron.2020.03.009
2-year Impact Factor: 17.173|2020
Times cited: 57|2024-02-13
Indexed document: Yes
Quartile: Q1
Keywords: Postingestive / Ventral Tegmental Area / Dopamine / Feeding behavior / Food seeking / Nutrient sensing / Vagus nerve
DocumentReward-related gustatory and psychometric predictors of weight loss following bariatric surgery: a multicenter cohort study2021

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2010
Location: Arquivo PCA - Pastas 1 a 23
Title:
2010 Grants
Start date: 2011-01

Reference code: PT/FB/BL-2010-176
Location: Arquivo PCA - Pasta 14/2010
Title:
176 - Dopaminergic regulation of dietary learning in humans and rodents
Duration: 2011-07 - 2014-07
Researcher(s):
Albino Jorge Carvalho de Sousa Oliveira Maia, Rui M. Costa
Institution(s): Champalimaud Foundation, Lisbon (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Language: eng
Author:
Oliveira-Maia, A. J.
Secondary author(s):
Costa, R. M.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Learning / Biopsychological problems / Diseases/Injuries / Obesity / Brain structure and function

Reference code: PT/FB/BL-2010-176.10
Location: Arquivo PCA - Pasta 14/2010
Title:
Reward-related gustatory and psychometric predictors of weight loss following bariatric surgery: a multicenter cohort study
Publication year: 2021
URL:
https://academic.oup.com/ajcn/advance-article/doi/10.1093/ajcn/nqaa349/6131431
Abstract/Results: ABSTRACT:
BAKGROUND
Reward sensitivity has been proposed as a potential mediator of outcomes for bariatric surgery.
OBJECTIVES
We aimed to determine whether gustatory and psychometric measures of reward-related feeding are predictors of bariatric-induced weight loss.
METHODS
A multicenter longitudinal cohort study was conducted in patients scheduled for bariatric surgery (surgical group), assessed at baseline and 2 follow-up assessments. Predictions of % weight loss from baseline (%WL) according to baseline gustatory measures, including intensity and pleasantness ratings of sweet and other tastants, and psychometric measures of reward-related feeding behavior, including hedonic hunger scores, were assessed with multivariable linear regression. Exploratory analyses were conducted to test for associations between %WL and changes in gustatory and psychophysical measures, as well as for comparisons with data from patients on the surgery waiting list (control group).
RESULTS
We included 212 patients, of whom 96 in the surgical group and 50 in the control group were prospectively assessed. The groups were similar at baseline and, as expected, bariatric surgery resulted in higher %WL (BTreatment-Time = 2.4; 95% CI: 2.1–2.8; P < 0.0001). While variation in gustatory measures did not differ between groups, in the surgery group baseline sweet intensity predicted %WL at the primary endpoint (11 to 18 months postoperatively; ß = 0.2; B = 0.2, 95% CI: 0.02 to 0.3; P = 0.02), as did hedonic hunger scores (ß = -0.2; B = -2.0, 95% CI: -3.8 to -0.3; P = 0.02). Furthermore, at this endpoint, postsurgical reduction of sweet taste intensity and acceptance of sweet foods were associated with %WL (ß = -0.3; B = -3.5, 95% CI: -5.8 to -1.3; P = 0.003, and ß = -0.2; B = -4.7, 95% CI: -8.5 to -0.8; P = 0.02, respectively). The use of sweet intensity as a predictor of weight change was confirmed in another bariatric cohort.
CONCLUSIONS
Sweet intensity ratings and hedonic hunger scores predict %WL after surgery. The variability of sweet intensity ratings is also associated with %WL, further suggesting they may reflect physiological processes that are variably modulated by bariatric surgery, influencing clinical outcomes.
Accessibility: Document exists in file
Language:
eng
Author:
Ribeiro, G.
Secondary author(s):
Camacho, M., Fernandes, A. B., Cotovio, G., Torres, S., Oliveira-Maia, A.
Document type:
Article
Number of reproductions:
1
Reference:
Ribeiro, G., Camacho, M., Fernandes, A. B., Cotovio, G., Torres, S., Oliveira-Maia, A., & Food Reward in Bariatric Surgery Portuguese Study Group (2021). Reward-related gustatory and psychometric predictors of weight loss following bariatric surgery: a multicenter cohort study. The American Journal of Clinical Nutrition, nqaa349. https://doi.org/10.1093/ajcn/nqaa349
2-year Impact Factor: 7.045|2020
Impact factor notes: Impact factor not available yet for 2021
Times cited: 11|2024-02-14
Indexed document: Yes
Quartile: Q1
Keywords: Food reward / Feeding behavior / Sweet taste / Gustation / Psychometry / Weight loss / Bariatric surger

Reward-related gustatory and psychometric predictors of weight loss following bariatric surgery: a multicenter cohort study

Reward-related gustatory and psychometric predictors of weight loss following bariatric surgery: a multicenter cohort study