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[PMID]:28460601
[Au] Autor:Stork MJ; Banfield LE; Gibala MJ; Martin Ginis KA
[Ad] Endereço:a School of Health and Exercise Sciences , University of British Columbia , Kelowna , Canada.
[Ti] Título:A scoping review of the psychological responses to interval exercise: is interval exercise a viable alternative to traditional exercise?
[So] Source:Health Psychol Rev;11(4):324-344, 2017 12.
[Is] ISSN:1743-7202
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:While considerable evidence suggests that interval exercise confers numerous physiological adaptations linked to improved health, its psychological consequences and behavioural implications are less clear and the subject of intense debate. The purpose of this scoping review was to catalogue studies investigating the psychological responses to interval exercise in order to identify what psychological outcomes have been assessed, the research methods used, and the results. A secondary objective was to identify research issues and gaps. Forty-two published articles met the review inclusion/exclusion criteria. These studies involved 1258 participants drawn from various active/inactive and healthy/unhealthy populations, and 55 interval exercise protocols (69% high-intensity interval training [HIIT], 27% sprint interval training [SIT], and 4% body-weight interval training [BWIT]). Affect and enjoyment were the most frequently studied psychological outcomes. Post-exercise assessments indicate that overall, enjoyment of, and preferences for interval exercise are equal or greater than for continuous exercise, and participants can hold relatively positive social cognitions regarding interval exercise. Although several methodological issues (e.g., inconsistent use of terminology, measures and protocols) and gaps (e.g., data on adherence and real-world protocols) require attention, from a psychological perspective, the emerging data support the viability of interval exercise as an alternative to continuous exercise.
[Mh] Termos MeSH primário: Adaptação Fisiológica
Exercício/fisiologia
Exercício/psicologia
Treinamento Intervalado de Alta Intensidade/psicologia
[Mh] Termos MeSH secundário: Felicidade
Seres Humanos
Prazer
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1711
[Cu] Atualização por classe:180208
[Lr] Data última revisão:
180208
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170503
[St] Status:MEDLINE
[do] DOI:10.1080/17437199.2017.1326011


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[PMID]:28469018
[Au] Autor:Christensen JF
[Ad] Endereço:Cognitive Neuroscience Research Unit, Department of Psychology, University of London, London, UK julia.christensen.1@city.ac.uk.
[Ti] Título:Pleasure junkies all around! Why it matters and why 'the arts' might be the answer: a biopsychological perspective.
[So] Source:Proc Biol Sci;284(1854), 2017 May 17.
[Is] ISSN:1471-2954
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Today's society is pleasure seeking. We expect to obtain pleasurable experiences fast and easily. We are used to hyper-palatable foods and drinks, and we can get pornography, games and gadgets whenever we want them. THE PROBLEM: with this type of pleasure-maximizing choice behaviour we may be turning ourselves into mindless pleasure junkies, handing over our free will for the next dopamine shoot. Pleasure-only activities are fun. In excess, however, such activities might have negative effects on our biopsychological health: they provoke a change in the neural mechanisms underlying choice behaviour. Choice behaviour becomes biased towards short-term pleasure-maximizing goals, just as in the addicted brain (modulated by the amygdala, posterior ventromedial prefrontal cortex' (VMPFC), striatum, nucleus accumbens; 'A-system') and away from long-term prosperity and general well-being maximizing objectives (normally ensured by the insula, anterior VMPFC, hippocampus, dorsolateral prefrontal cortex (DLPFC), anterior cingulate cortex (ACC); 'I-system'). This paper outlines, first, what 'pleasure' is and what 'pleasure-only' activities are (e.g. social media engagement, hyper-palatable eating). Second, an account is given of the type of action that might aid to maintain the neural systems underlying choice behaviour balanced. Finally, it is proposed that engagement with the arts might be an activity with the potential to foster healthy choice behaviour-and not be just for pleasure. The evidence in this rather new field of research is still piecemeal and inconclusive. This review aims to motivate targeted research in this domain.
[Mh] Termos MeSH primário: Encéfalo/fisiologia
Comportamento de Escolha
Prazer
[Mh] Termos MeSH secundário: Tonsila do Cerebelo
Mapeamento Encefálico
Seres Humanos
Córtex Pré-Frontal
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180131
[Lr] Data última revisão:
180131
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE


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[PMID]:28460280
[Au] Autor:Da Silva S; Saperia S; Siddiqui I; Fervaha G; Agid O; Daskalakis ZJ; Ravindran A; Voineskos AN; Zakzanis KK; Remington G; Foussias G
[Ad] Endereço:Centre for Addiction and Mental Health, Toronto, Canada; Institute of Medical Science, University of Toronto, Toronto, Canada. Electronic address: susana.dasilva@camh.ca.
[Ti] Título:Investigating consummatory and anticipatory pleasure across motivation deficits in schizophrenia and healthy controls.
[So] Source:Psychiatry Res;254:112-117, 2017 Aug.
[Is] ISSN:1872-7123
[Cp] País de publicação:Ireland
[La] Idioma:eng
[Ab] Resumo:Anhedonia has traditionally been considered a characteristic feature of schizophrenia, but the true nature of this deficit remains elusive. This study sought to investigate consummatory and anticipatory pleasure as it relates to motivation deficits. Eighty-four outpatients with schizophrenia and 81 healthy controls were administered the Temporal Experience of Pleasure Scale (TEPS), as well as a battery of clinical and cognitive assessments. Multivariate analyses of variance were used to examine the experience of pleasure as a function of diagnosis, and across levels of motivation deficits (i.e. low vs. moderate. vs. high) in schizophrenia. Hierarchical regression analyses were also conducted to evaluate the predictive value of amotivation in relation to the TEPS. There were no significant differences between schizophrenia and healthy control groups for either consummatory or anticipatory pleasure. Within the schizophrenia patients, only those with high levels of amotivation were significantly impaired in consummatory and anticipatory pleasure compared to low and moderate groups, and compared to healthy controls. Further, our results revealed that amotivation significantly predicts both consummatory and anticipatory pleasure, with no independent contribution of group. Utilizing study samples with a wide range of motivation deficits and incorporating objective paradigms may provide a more comprehensive understanding of hedonic deficits.
[Mh] Termos MeSH primário: Antecipação Psicológica/fisiologia
Comportamento Consumatório/fisiologia
Motivação/fisiologia
Prazer/fisiologia
Esquizofrenia/fisiopatologia
Psicologia do Esquizofrênico
[Mh] Termos MeSH secundário: Adulto
Anedonia/fisiologia
Feminino
Seres Humanos
Masculino
Meia-Idade
Esquizofrenia/diagnóstico
Autorrelato
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180131
[Lr] Data última revisão:
180131
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170502
[St] Status:MEDLINE


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[PMID]:29228142
[Au] Autor:Brielmann AA; Vale L; Pelli DG
[Ad] Endereço:Department of Psychology, New York University, New York, USA.
[Ti] Título:Beauty at a glance: The feeling of beauty and the amplitude of pleasure are independent of stimulus duration.
[So] Source:J Vis;17(14):9, 2017 Dec 01.
[Is] ISSN:1534-7362
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Over time, how does beauty develop and decay? Common sense suggests that beauty is intensely felt only after prolonged experience of the object. Here, we present one of various stimuli for a variable duration (1-30 s), measure the observers' pleasure over time, and, finally, ask whether they felt beauty. On each trial, participants (N = 21) either see an image that they had chosen as "movingly beautiful," see an image with prerated valence, or suck a candy. During the stimulus and a further 60 s, participants rate pleasure continuously using a custom touchscreen web app, EmotionTracker.com. After each trial, participants judge whether they felt beauty. Across all stimulus kinds, durations, and beauty responses, the dynamic pleasure rating has a stereotypical time course that is well fit by a one-parameter model with a brief exponential onset (roughly 2.5 s), a sustained plateau during stimulus presentation, and a long exponential decay (roughly 70 s). Across conditions, only the plateau amplitude varies. Beauty and pleasure amplitude are nearly independent of stimulus duration. The final beauty rating is positively correlated with pleasure amplitude (r = 0.60), and nearly independent of duration (r = 0.10). Beauty's independence from duration is unlike Bentham's 18th-century notion of value (utility), which he supposed to depend on the product of pleasure amplitude and duration. Participants report having felt pleasure as strongly after a mere 1 s stimulus as after longer durations, up to 30 s. Thus, we find that amplitude of pleasure is independent of stimulus duration.
[Mh] Termos MeSH primário: Beleza
Emoções/fisiologia
Prazer/fisiologia
[Mh] Termos MeSH secundário: Estética/psicologia
Feminino
Seres Humanos
Masculino
Fatores de Tempo
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171215
[Lr] Data última revisão:
171215
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171212
[St] Status:MEDLINE
[do] DOI:10.1167/17.14.9


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[PMID]:28850647
[Au] Autor:Worley J
[Ti] Título:The Role of Pleasure Neurobiology and Dopamine in Mental Health Disorders.
[So] Source:J Psychosoc Nurs Ment Health Serv;55(9):17-21, 2017 Sep 01.
[Is] ISSN:0279-3695
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Recent evidence and research has demonstrated that the pleasure response and associated neurotransmitters and brain circuits play a significant role in substance use disorders (SUDs). It was thought that negative behaviors associated with SUDs resulted from negative choices, but it is now known that chemical changes in the brain drive those behaviors. Several mental health disorders (e.g., eating disorders, non-suicidal self-injury, compulsive sex behaviors, internet gaming, gambling) are also thought to involve those same pleasure responses, neurotransmitters, and brain regions. Studies have shown that the use of naltrexone, a dopamine antagonist, can reduce symptoms of these disorders. It is important for nurses to understand the underlying physiology of mental health disorders that are thought to have an addictive or craving component. This understanding can help reduce stigma. Educating patients about likely neurobiological causes for their disorders can also help reduce guilt and shame. Nurses should educate patients about these disorders and evidence-based treatments, including off-label use of naltrexone. [Journal of Psychosocial Nursing and Mental Health Services, 55(9), 17-21.].
[Mh] Termos MeSH primário: Dopamina/farmacologia
Transtornos Mentais/tratamento farmacológico
Neurobiologia
Prazer/efeitos dos fármacos
[Mh] Termos MeSH secundário: Comportamento Aditivo/fisiopatologia
Encéfalo
Dopamina/metabolismo
Seres Humanos
Naltrexona/uso terapêutico
Antagonistas de Entorpecentes/uso terapêutico
Uso Off-Label
Enfermagem Psiquiátrica
Transtornos Relacionados ao Uso de Substâncias/tratamento farmacológico
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Narcotic Antagonists); 5S6W795CQM (Naltrexone); VTD58H1Z2X (Dopamine)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171016
[Lr] Data última revisão:
171016
[Sb] Subgrupo de revista:IM; N
[Da] Data de entrada para processamento:170830
[St] Status:MEDLINE
[do] DOI:10.3928/02793695-20170818-09


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[PMID]:28792851
[Au] Autor:Vella CA; Taylor K; Drummer D
[Ad] Endereço:a Department of Movement Sciences and WWAMI Medical Education Program , University of Idaho , Moscow , ID , USA.
[Ti] Título:High-intensity interval and moderate-intensity continuous training elicit similar enjoyment and adherence levels in overweight and obese adults.
[So] Source:Eur J Sport Sci;17(9):1203-1211, 2017 Oct.
[Is] ISSN:1536-7290
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: High-intensity interval training (HIIT) has been shown to improve cardiometabolic health during supervised lab-based studies but adherence, enjoyment, and health benefits of HIIT performed independently are yet to be understood. We compared adherence, enjoyment, and cardiometabolic outcomes after 8 weeks of HIIT or moderate-intensity continuous training (MICT), matched for energy expenditure, in overweight and obese young adults. METHODS: 17 adults were randomized to HIIT or MICT. After completing 12 sessions of supervised training over 3 weeks, participants were asked to independently perform HIIT or MICT for 30 min, 4 times/week for 5 weeks. Cardiometabolic outcomes included cardiorespiratory fitness (VO peak), lipids, and inflammatory markers. Exercise enjoyment was measured by the validated Physical Activity Enjoyment Scale. RESULTS: Exercise adherence (93.4 ± 3.1% vs. 93.1 ± 3.7%, respectively) and mean enjoyment across the intervention (100.1 ± 4.3 vs. 100.3 ± 4.4, respectively) were high, with no differences between HIIT and MICT (p > .05). Similarly, enjoyment levels did not change over time in either group (p > .05). After training, HIIT exhibited a greater decrease in low-density lipoprotein cholesterol than MICT (-0.66 mmol L vs. -0.03 mmol L , respectively) and a greater increase in VO peak than MICT (p < .05, +2.6 mL kg min vs. +0.4 mL kg min , respectively). Interleukin-6 and C-reactive protein increased in HIIT (+0.5 pg mL and + 31.4 nmol L , respectively) and decreased in MICT (-0.6 pg mL and -6.7 nmol L , respectively, p < .05). CONCLUSIONS: Our novel findings suggest that HIIT is enjoyable and has high unsupervised adherence rates in overweight and obese adults. However, HIIT may be associated with an increase in inflammation with short-term exercise in this population.
[Mh] Termos MeSH primário: Terapia por Exercício/métodos
Treinamento Intervalado de Alta Intensidade
Obesidade/terapia
Sobrepeso/terapia
Cooperação do Paciente
[Mh] Termos MeSH secundário: Adolescente
Adulto
Proteína C-Reativa/metabolismo
Aptidão Cardiorrespiratória
LDL-Colesterol/sangue
Exercício
Feminino
Seres Humanos
Interleucina-6/sangue
Masculino
Consumo de Oxigênio
Prazer
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Nome de substância:
0 (Cholesterol, LDL); 0 (IL6 protein, human); 0 (Interleukin-6); 9007-41-4 (C-Reactive Protein)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171002
[Lr] Data última revisão:
171002
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170810
[St] Status:MEDLINE
[do] DOI:10.1080/17461391.2017.1359679


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[PMID]:28636579
[Au] Autor:Otto J; Linden M
[Ad] Endereço:Charité University Medicine Berlin, Research Group Psychosomatic Rehabilitation, Hindenburgdamm 30, 12200 Berlin, Germany, Josephine-Otto@gmx.de.
[Ti] Título:Regeneration orientation is better than resistance orientation in behaviour activation. Results from an intervention study with psychosomatic patients.
[So] Source:Psychiatr Danub;29(2):201-206, 2017 Jun.
[Is] ISSN:0353-5053
[Cp] País de publicação:Croatia
[La] Idioma:eng
[Ab] Resumo:The meaning of positive activities in mental health is widely known and found its entrance in therapeutically and empirical work. It also found it's entrance to current therapeutic developments. Different strategies for assessment and promotion of activity level exist. Patients were acquired from a department of psychosomatic medicine in a German rehabilitation center and randomly allocated to two treatment groups ("regeneration" vs "resistance" group). Data from 62 patients in the regeneration group and 65 patients in the resistance group was compared with 43 patients who received a "treatment as usual". All group comparisons were statistically significant, with different results depending on the type of activities. Regarding behavior activation, there tend to be an advantage for the regeneration group. Nothing is said about the transfer after discharge and long term effects.
[Mh] Termos MeSH primário: Mecanismos de Defesa
Atenção Plena
Motivação
Prazer
Transtornos Psicofisiológicos/psicologia
Transtornos Psicofisiológicos/reabilitação
Psicoterapia de Grupo/métodos
Qualidade de Vida/psicologia
Recreação
Resiliência Psicológica
[Mh] Termos MeSH secundário: Feminino
Seres Humanos
Masculino
Meia-Idade
Alta do Paciente
Escalas de Graduação Psiquiátrica/estatística & dados numéricos
Psicometria
Transtornos Psicofisiológicos/diagnóstico
Adulto Jovem
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170914
[Lr] Data última revisão:
170914
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170622
[St] Status:MEDLINE


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[PMID]:28582467
[Au] Autor:Schindler I; Hosoya G; Menninghaus W; Beermann U; Wagner V; Eid M; Scherer KR
[Ad] Endereço:Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany.
[Ti] Título:Measuring aesthetic emotions: A review of the literature and a new assessment tool.
[So] Source:PLoS One;12(6):e0178899, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Aesthetic perception and judgement are not merely cognitive processes, but also involve feelings. Therefore, the empirical study of these experiences requires conceptualization and measurement of aesthetic emotions. Despite the long-standing interest in such emotions, we still lack an assessment tool to capture the broad range of emotions that occur in response to the perceived aesthetic appeal of stimuli. Elicitors of aesthetic emotions are not limited to the arts in the strict sense, but extend to design, built environments, and nature. In this article, we describe the development of a questionnaire that is applicable across many of these domains: the Aesthetic Emotions Scale (Aesthemos). Drawing on theoretical accounts of aesthetic emotions and an extensive review of extant measures of aesthetic emotions within specific domains such as music, literature, film, painting, advertisements, design, and architecture, we propose a framework for studying aesthetic emotions. The Aesthemos, which is based on this framework, contains 21 subscales with two items each, that are designed to assess the emotional signature of responses to stimuli's perceived aesthetic appeal in a highly differentiated manner. These scales cover prototypical aesthetic emotions (e.g., the feeling of beauty, being moved, fascination, and awe), epistemic emotions (e.g., interest and insight), and emotions indicative of amusement (humor and joy). In addition, the Aesthemos subscales capture both the activating (energy and vitality) and the calming (relaxation) effects of aesthetic experiences, as well as negative emotions that may contribute to aesthetic displeasure (e.g., the feeling of ugliness, boredom, and confusion).
[Mh] Termos MeSH primário: Beleza
Estética/psicologia
Música/psicologia
Pinturas/psicologia
Prazer/fisiologia
Projetos de Pesquisa
[Mh] Termos MeSH secundário: Adulto
Idoso
Arquitetura
Criatividade
Feminino
Seres Humanos
Julgamento/fisiologia
Literatura
Masculino
Meia-Idade
Inquéritos e Questionários
Percepção Visual/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1709
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170606
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0178899


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[PMID]:28536272
[Au] Autor:Manninen S; Tuominen L; Dunbar RI; Karjalainen T; Hirvonen J; Arponen E; Hari R; Jääskeläinen IP; Sams M; Nummenmaa L
[Ad] Endereço:Turku PET Centre, University of Turku, 20520 Turku, Finland.
[Ti] Título:Social Laughter Triggers Endogenous Opioid Release in Humans.
[So] Source:J Neurosci;37(25):6125-6131, 2017 Jun 21.
[Is] ISSN:1529-2401
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The size of human social networks significantly exceeds the network that can be maintained by social grooming or touching in other primates. It has been proposed that endogenous opioid release after social laughter would provide a neurochemical pathway supporting long-term relationships in humans (Dunbar, 2012), yet this hypothesis currently lacks direct neurophysiological support. We used PET and the µ-opioid-receptor (MOR)-specific ligand [ C]carfentanil to quantify laughter-induced endogenous opioid release in 12 healthy males. Before the social laughter scan, the subjects watched laughter-inducing comedy clips with their close friends for 30 min. Before the baseline scan, subjects spent 30 min alone in the testing room. Social laughter increased pleasurable sensations and triggered endogenous opioid release in thalamus, caudate nucleus, and anterior insula. In addition, baseline MOR availability in the cingulate and orbitofrontal cortices was associated with the rate of social laughter. In a behavioral control experiment, pain threshold-a proxy of endogenous opioidergic activation-was elevated significantly more in both male and female volunteers after watching laughter-inducing comedy versus non-laughter-inducing drama in groups. Modulation of the opioidergic activity by social laughter may be an important neurochemical pathway that supports the formation, reinforcement, and maintenance of human social bonds. Social contacts are vital to humans. The size of human social networks significantly exceeds the network that can be maintained by social grooming in other primates. Here, we used PET to show that endogenous opioid release after social laughter may provide a neurochemical mechanism supporting long-term relationships in humans. Participants were scanned twice: after a 30 min social laughter session and after spending 30 min alone in the testing room (baseline). Endogenous opioid release was stronger after laughter versus the baseline scan. Opioid receptor density in the frontal cortex predicted social laughter rates. Modulation of the opioidergic activity by social laughter may be an important neurochemical mechanism reinforcing and maintaining social bonds between humans.
[Mh] Termos MeSH primário: Química Encefálica/fisiologia
Endorfinas/metabolismo
Riso/fisiologia
Meio Social
[Mh] Termos MeSH secundário: Adulto
Mapeamento Encefálico
Feminino
Seres Humanos
Masculino
Apego ao Objeto
Prazer
Tomografia por Emissão de Pósitrons
Receptores Opioides mu/efeitos dos fármacos
Receptores Opioides mu/metabolismo
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Endorphins); 0 (OPRM1 protein, human); 0 (Receptors, Opioid, mu)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170814
[Lr] Data última revisão:
170814
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170525
[St] Status:MEDLINE
[do] DOI:10.1523/JNEUROSCI.0688-16.2017


  10 / 853 MEDLINE  
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[PMID]:28515063
[Au] Autor:Mennella JA; Daniels LM; Reiter AR
[Ad] Endereço:Monell Chemical Senses Center, Philadelphia, PA mennella@monell.org.
[Ti] Título:Learning to like vegetables during breastfeeding: a randomized clinical trial of lactating mothers and infants.
[So] Source:Am J Clin Nutr;106(1):67-76, 2017 Jul.
[Is] ISSN:1938-3207
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:What lactating mothers eat flavors breast milk and, in turn, modifies their infants' acceptance of similarly flavored foods. We sought to determine the effects of the timing and duration of eating a variety of vegetables during breastfeeding on the liking of vegetables in both members of the dyad. We conducted a randomized controlled study of 97 mother-infant dyads. Lactating mothers drank vegetable, beet, celery, and carrot juices for 1 mo beginning at 0.5, 1.5, or 2.5 mo postpartum or for 3 mo beginning at 0.5 mo postpartum. The control group drank equal volumes of water and avoided drinking the juices. Mothers rated the tastes of the juices and self-reported dietary intakes at each monthly visit (0.5-4.5 mo). After weaning, when 7.9 mo of age, infants' acceptance of plain, carrot-flavor (exposed flavor), and broccoli-flavor (nonexposed flavor) cereals was assessed on separate days. The timing of exposure affected the acceptance of the carrot flavor that did not generalize to the novel broccoli flavor. A relatively brief experience (1 mo) with vegetable flavors in mothers' milk, starting at 0.5 mo postpartum, was sufficient to shift the hedonic tone, which resulted in a faster rate of eating carrot-flavored cereal than that in infants who were exposed during subsequent months or not at all. One month of exposure had a greater effect than 3 mo of exposure or no exposure. Regardless of when exposure occurred, infants were less likely to display facial expressions of distaste initially when eating the carrot cereal. Over time, mothers liked the tastes of carrot, beet, and celery juices more, but no changes in dietary intake of vegetables were observed. Early life may be an optimum time for both infants and their mothers to learn to like the taste of healthy foods. More research is needed to facilitate the liking and eating of these foods by mothers, which will, in turn, increase the likelihood of their feeding these foods to their children. This trial was registered at clinicaltrials.gov as NCT01667549.
[Mh] Termos MeSH primário: Aleitamento Materno
Preferências Alimentares
Lactação
Fenômenos Fisiológicos da Nutrição Materna
Paladar
Verduras
Desmame
[Mh] Termos MeSH secundário: Apium graveolens
Beta vulgaris
Brassica
Daucus carota
Feminino
Sucos de Frutas e Vegetais
Seres Humanos
Lactente
Recém-Nascido
Masculino
Prazer
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170731
[Lr] Data última revisão:
170731
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170519
[St] Status:MEDLINE
[do] DOI:10.3945/ajcn.116.143982



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