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[PMID]:28841529
[Au] Autor:Ghelichpour M; Taheri Mirghaed A; Mirzargar SS; Joshaghani H; Ebrahimzadeh Mousavi H
[Ad] Endereço:Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
[Ti] Título:Modification of saltwater stress response in Cyprinus carpio (Linnaeus, 1758) pre-exposed to pesticide indoxacarb.
[So] Source:Ecotoxicol Environ Saf;147:139-143, 2018 Jan.
[Is] ISSN:1090-2414
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:To evaluate the effects of indoxacarb on saltwater stress response in Cyprinus carpio, the fish were pre-exposed to indoxacarb (0, 0.75, 1.5 and 3mg/L denoted as CP, 0.75IT, 1.5IT and 3IT, respectively) for 21 days and then released to saltwater. A negative control (CN) group was included (the fish were held in indoxacarb-free water for the entire experiment). The fish were sampled immediately (0h) and 24, 48 and 72h after the salinity exposure for the analysis of plasma cortisol, glucose and sodium, chloride, potassium and calcium levels. All fish pre-exposed to 3mg/L indoxacarb, died after the first day of salinity challenge. CP showed typical cortisol response after the salinity challenge, but, cortisol response of the fish pre-exposed to indoxacarb (0.75IT and 1.5IT) was blocked. Plasma glucose increased significantly in all groups compared to the CN; however, this elevation had no consistent trend in 0.75IT and 1.5IT which indicated interference in glucose response due to indoxacarb exposure. Plasma sodium increased (compared to CN) in all groups after the salinity challenge. However, elevation in plasma chloride and potassium was significantly different among the groups and the indoxacarb-treated fish showed slightly sooner ionic disturbance. The results clearly indicate that indoxacarb impairs stress response of C. carpio and the fish may not be able to respond normally to additional stressors, which threatens their survival.
[Mh] Termos MeSH primário: Carpas/metabolismo
Hidrocortisona/sangue
Osmorregulação/efeitos dos fármacos
Oxazinas/toxicidade
Praguicidas/toxicidade
Poluentes Químicos da Água/toxicidade
[Mh] Termos MeSH secundário: Animais
Carpas/sangue
Cloretos/sangue
Relação Dose-Resposta a Droga
Potássio/sangue
Salinidade
Sódio/sangue
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Chlorides); 0 (Oxazines); 0 (Pesticides); 0 (Water Pollutants, Chemical); 52H0D26MWR (indoxacarb); 9NEZ333N27 (Sodium); RWP5GA015D (Potassium); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170826
[St] Status:MEDLINE


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[PMID]:28471062
[Au] Autor:Rao AN; Patil A; Brodnik ZD; Qiang L; España RA; Sullivan KA; Black MM; Baas PW
[Ad] Endereço:Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, Pennsylvania.
[Ti] Título:Pharmacologically increasing microtubule acetylation corrects stress-exacerbated effects of organophosphates on neurons.
[So] Source:Traffic;18(7):433-441, 2017 Jul.
[Is] ISSN:1600-0854
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Many veterans of the 1990-1991 Gulf War contracted Gulf War Illness (GWI), a multisymptom disease that primarily affects the nervous system. Here, we treated cultures of human or rat neurons with diisopropyl fluorophosphate (DFP), an analog of sarin, one of the organophosphate (OP) toxicants to which the military veterans were exposed. All observed cellular defects produced by DFP were exacerbated by pretreatment with corticosterone or cortisol, which, in rat and human neurons, respectively, serves in our experiments to mimic the physical stress endured by soldiers during the war. To best mimic the disease, DFP was used below the level needed to inhibit acetylcholinesterase. We observed a diminution in the ratio of acetylated to total tubulin that was correctable by treatment with tubacin, a drug that inhibits HDAC6, the tubulin deacetylase. The reduction in microtubule acetylation was coupled with deficits in microtubule dynamics, which were correctable by HDAC6 inhibition. Deficits in mitochondrial transport and dopamine release were also improved by tubacin. Thus, various negative effects of the toxicant/stress exposures were at least partially correctable by restoring microtubule acetylation to a more normal status. Such an approach may have therapeutic benefit for individuals suffering from GWI or other neurological disorders linked to OP exposure.
[Mh] Termos MeSH primário: Anilidas/farmacologia
Substâncias para a Guerra Química/toxicidade
Ácidos Hidroxâmicos/farmacologia
Isoflurofato/toxicidade
Microtúbulos/efeitos dos fármacos
Neurônios/efeitos dos fármacos
Estresse Fisiológico
[Mh] Termos MeSH secundário: Acetilação
Animais
Transporte Biológico
Células Cultivadas
Corticosterona/farmacologia
Dopamina/secreção
Relação Dose-Resposta a Droga
Seres Humanos
Hidrocortisona/farmacologia
Microtúbulos/metabolismo
Mitocôndrias/efeitos dos fármacos
Mitocôndrias/metabolismo
Síndrome do Golfo Pérsico
Ratos
Tubulina (Proteína)/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anilides); 0 (Chemical Warfare Agents); 0 (Hydroxamic Acids); 0 (Tubulin); 02C2G1D30D (tubacin); 12UHW9R67N (Isoflurophate); VTD58H1Z2X (Dopamine); W980KJ009P (Corticosterone); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE
[do] DOI:10.1111/tra.12489


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[PMID]:29256286
[Au] Autor:Bohák Z; Szenci O; Harnos A; Kutasi O; Kovács L
[Ad] Endereço:1 MTA-SZIE Large Animal Clinical Research Group , Üllo, Dóra major, H-2225 , Hungary.
[Ti] Título:Effect of temperament on cortisol response to a single exercise bout in Thoroughbred racehorses - short communication.
[So] Source:Acta Vet Hung;65(4):541-545, 2017 12.
[Is] ISSN:0236-6290
[Cp] País de publicação:Hungary
[La] Idioma:eng
[Ab] Resumo:Temperament has not been taken into account in previous studies evaluating the stress response to exercise in horses. The aim of the present study was to investigate the cortisol response in Thoroughbred racehorses to a single exercise bout, and to analyse the results based on the basic personality of the horse examined. Twenty healthy Thoroughbred horses were selected for the study based on a 25-item rating questionnaire survey used for characterising equine temperament. Eight temperamental and twelve calm horses took part in the experiment. The horses trotted as a warm-up activity, and then galloped on a rounded sand track. Blood sampling was conducted four times for each horse. Horses with a more excitable temperament showed a higher cortisol response to the test (P = 0.036). In conclusion, cortisol levels in response to a mild intensive exercise can be affected by temperament in horses. Serum cortisol may be a relevant marker to quantify individual temperamental differences in racehorses.
[Mh] Termos MeSH primário: Cavalos/fisiologia
Hidrocortisona/metabolismo
Condicionamento Físico Animal/fisiologia
Temperamento/efeitos dos fármacos
[Mh] Termos MeSH secundário: Animais
Biomarcadores
Hidrocortisona/química
Masculino
Saliva/química
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Biomarkers); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180305
[Lr] Data última revisão:
180305
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171220
[St] Status:MEDLINE
[do] DOI:10.1556/004.2017.052


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[PMID]:29256282
[Au] Autor:Csöndes J; Fábián I; Szabó B; Máthé Á; Vajdovich P
[Ad] Endereço:1 Department of Clinical Pathology and Oncology, University of Veterinary Medicine , István u. 2, H-1078 Budapest , Hungary.
[Ti] Título:Assessment of adrenocortical reserve capacity and inflammatory parameters in critically ill dogs.
[So] Source:Acta Vet Hung;65(4):475-486, 2017 12.
[Is] ISSN:0236-6290
[Cp] País de publicação:Hungary
[La] Idioma:eng
[Ab] Resumo:Inflammatory markers and adrenocorticotropic hormone (ACTH) stimulation test results may help us recognise critically ill dogs with poor disease outcome. Systemic inflammatory response syndrome (SIRS) criteria, the fast version of the Acute Patient Physiologic and Laboratory Evaluation Score (APPLE ), complete blood count, albumin and C-reactive protein (CRP) levels, baseline and stimulated cortisol levels and Δcortisol value were recorded in 50 client-owned dogs admitted to the Small Animal Hospital of the University of Veterinary Medicine Budapest with various inflammatory or neoplastic conditions. Increasing APPLE score was associated with a decreasing chance of survival (P = 0.0420). The Δcortisol value was significantly higher in SIRS dogs than in non-SIRS dogs (mean ± SD Δcortisol : 342.5 ± 273.96; mean ± SD Δcortisol : 175.3 ± 150.35; P = 0.0443). Elevated baseline or stimulated cortisol levels were associated with a higher chance of non-survival (P = 0.0135 and P = 0.0311, respectively). These data indicate that pathologically higher baseline and stimulated cortisol levels represent an exaggerated stress response in critically ill dogs, which is negatively associated with survival.
[Mh] Termos MeSH primário: Hormônio Adrenocorticotrópico/metabolismo
Estado Terminal
Doenças do Cão/metabolismo
Inflamação/veterinária
Síndrome de Resposta Inflamatória Sistêmica/veterinária
[Mh] Termos MeSH secundário: Hormônio Adrenocorticotrópico/sangue
Animais
Biomarcadores/sangue
Cães
Feminino
Hidrocortisona/sangue
Hidrocortisona/metabolismo
Inflamação/sangue
Inflamação/metabolismo
Masculino
Síndrome de Resposta Inflamatória Sistêmica/sangue
Síndrome de Resposta Inflamatória Sistêmica/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Biomarkers); 9002-60-2 (Adrenocorticotropic Hormone); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180305
[Lr] Data última revisão:
180305
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171220
[St] Status:MEDLINE
[do] DOI:10.1556/004.2017.045


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[PMID]:28461252
[Au] Autor:Nedic Erjavec G; Uzun S; Nikolac Perkovic M; Kozumplik O; Svob Strac D; Mimica N; Hirasawa-Fujita M; Domino EF; Pivac N
[Ad] Endereço:Rudjer Boskovic Institute, Division of Molecular Medicine, Zagreb, Croatia.
[Ti] Título:Cortisol in schizophrenia: No association with tobacco smoking, clinical symptoms or antipsychotic medication.
[So] Source:Prog Neuropsychopharmacol Biol Psychiatry;77:228-235, 2017 Jul 03.
[Is] ISSN:1878-4216
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Cigarette smoking is associated with higher cortisol levels in healthy subjects. In schizophrenia this relationship is not clear. There are divergent results on the association between cortisol with smoking, clinical symptoms and medication in schizophrenia. This study evaluated this association in 196 Caucasian inpatients with schizophrenia (51.30±26.68years old), subdivided into 123 smokers and 73 non-smokers. Basal salivary cortisol levels were measured twice, at 08.00 and 09.00AM, 90-120min after awakening. The effect of smoking on cortisol was evaluated according to current smoking status, the number of cigarettes/day and the nicotine addiction intensity. The influence of clinical symptoms and/or antipsychotic medication on cortisol was determined using the Positive and Negative Syndrome Scale (PANSS), and chlorpromazine equivalent doses. Non-smokers were older, received lower doses of antipsychotics, had higher PANSS scores, and had longer duration of illness than smokers. Salivary cortisol was similar in schizophrenic patients subdivided according to the smoking status, the number of cigarettes/day and nicotine addiction intensity. No significant correlation was found between salivary cortisol and PANSS scores, chlorpromazine equivalent doses, age of onset or the duration of illness. The findings revealed no association between salivary cortisol and smoking, nicotine addiction intensity, or clinical symptoms. Our preliminary data showed no correlation between salivary cortisol and chlorpromazine equivalent doses and/or antipsychotic medication. Our findings suggest that smoking does not affect the cortisol response in schizophrenic patients as it has been shown in healthy individuals. Future studies should investigate a possible desensitization of the stress system to smoking.
[Mh] Termos MeSH primário: Antipsicóticos/uso terapêutico
Hidrocortisona/metabolismo
Esquizofrenia/metabolismo
Fumar/metabolismo
[Mh] Termos MeSH secundário: Adulto
Estudos de Casos e Controles
Feminino
Seres Humanos
Masculino
Meia-Idade
Saliva/metabolismo
Esquizofrenia/diagnóstico
Esquizofrenia/tratamento farmacológico
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antipsychotic Agents); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180305
[Lr] Data última revisão:
180305
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170503
[St] Status:MEDLINE


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[PMID]:29335818
[Au] Autor:Ohrnberger SA; Brinkmann K; Palme R; Valencak TG
[Ad] Endereço:Institute of Physiology, Pathophysiology and Biophysics, Department of Biomedical Sciences, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210, Vienna, Austria. sarah.ohrnberger@vetmeduni.ac.at.
[Ti] Título:Dorsal shaving affects concentrations of faecal cortisol metabolites in lactating golden hamsters.
[So] Source:Naturwissenschaften;105(1-2):13, 2018 Jan 15.
[Is] ISSN:1432-1904
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:Breeding of golden hamsters is classically performed at thermal conditions ranging from 20 to 24 °C. However, growing evidence suggests that lactating females suffer from heat stress. We hypothesised that shaving females dorsally to maximise heat dissipation may reduce stress during reproduction. We thus compared faecal cortisol metabolites (FCM) from shaved golden hamster mothers with those from unshaved controls. We observed significantly lower FCM levels in the shaved mothers (F = 8.69, p = 0.0075) pointing to lower stress due to ameliorated heat dissipation over the body surface. In addition, we observed 0.4 °C lower mean subcutaneous body temperatures in the shaved females, although this effect did not reach significance (F = 1.86, p = 0.18). Our results suggest that golden hamsters having body masses being more than four times that of laboratory mice provide a very interesting model to study aspects of lactation and heat production at the same time.
[Mh] Termos MeSH primário: Regulação da Temperatura Corporal
Cricetinae/fisiologia
[Mh] Termos MeSH secundário: Animais
Animais Domésticos
Temperatura Corporal/fisiologia
Fezes/química
Feminino
Remoção de Cabelo/veterinária
Hidrocortisona/metabolismo
Lactação
Reprodução/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180302
[Lr] Data última revisão:
180302
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180117
[St] Status:MEDLINE
[do] DOI:10.1007/s00114-017-1536-7


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[PMID]:28357897
[Au] Autor:MacDonald LA; Minahan CL
[Ad] Endereço:a Griffith University Sports Science, School of Allied Health Sciences , Griffith University , Gold Coast , Australia.
[Ti] Título:Mindfulness training attenuates the increase in salivary cortisol concentration associated with competition in highly trained wheelchair-basketball players.
[So] Source:J Sports Sci;36(4):378-383, 2018 Feb.
[Is] ISSN:1466-447X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:This study determined the effect of 8 wk of mindfulness training (MT) on salivary cortisol (sCort) and rate of salivary Immunoglobulin-A (sIgA) secretion in wheelchair-basketball players during a competition period. The mindful group completed 8 weeks of MT in addition to training and competition. sCort and rate of sIgA secretion were measured at baseline, at 2-week intervals, the end and 2 weeks following the intervention. A significant time and group interaction was observed for sCort (F = 3.297, P = 0.040, ES = 0.191); sCort increased in the control group from MT-BL to MT-2wk (P = 0.001) and remained significantly elevated at MT-4wk (P = 0.013) and MT-6wk (P = 0.002). sCort decreased from MT-6wk to MT-8wk (P < 0.001) and concentrations were not different at MT-8wk and Post-2wk to MT-BL (P > 0.05). Mindful group sCort increased from MT-BL to MT-2wk (P = 0.042) but decreased to concentrations no different to MT-BL for the rest of the intervention period (P > 0.05). There were no group differences in rate of sIgA secretion during the intervention (P = 0.810). It was concluded that 8 weeks of MT attenuated the increase in sCort associated with the competition period.
[Mh] Termos MeSH primário: Basquetebol/fisiologia
Basquetebol/psicologia
Comportamento Competitivo/fisiologia
Atenção Plena
Estresse Psicológico/prevenção & controle
Cadeiras de Rodas
[Mh] Termos MeSH secundário: Adulto
Feminino
Seres Humanos
Hidrocortisona/metabolismo
Imunoglobulina A Secretora/metabolismo
Masculino
Aplicativos Móveis
Saliva/metabolismo
Taxa Secretória
Smartphone
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Nome de substância:
0 (Immunoglobulin A, Secretory); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180302
[Lr] Data última revisão:
180302
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170331
[St] Status:MEDLINE
[do] DOI:10.1080/02640414.2017.1308001


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[PMID]:29465568
[Au] Autor:Thoma MV; Mewes R; Nater UM
[Ad] Endereço:Psychopathology and Clinical Intervention, Department of Psychology, University of Zurich, Switzerland.
[Ti] Título:Preliminary evidence: the stress-reducing effect of listening to water sounds depends on somatic complaints: A randomized trial.
[So] Source:Medicine (Baltimore);97(8):e9851, 2018 Feb.
[Is] ISSN:1536-5964
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Listening to natural sounds is applied in health contexts in order to induce relaxation. However, it remains unclear whether this effect is equally efficacious in all individuals or whether it depends on interindividual differences. Given that individuals differ in how they are impaired by somatic complaints, we investigated whether somatic complaints moderate the stress-reducing effect of listening to water sounds. METHODS: Sixty healthy women (Mage = 25 years) were randomly allocated to 3 different conditions (listening to water sounds, a relaxing piece of music, or no auditory stimulus: n = 20 per condition) for 10 minutes before they were exposed to a standardized psychosocial stress task. Salivary cortisol was assessed before, during, and after the stress task. For binary logistic regression analyses, participants were divided into 2 groups: 1 group with a high salivary cortisol release and 1 group with low cortisol release. The Freiburg Complaints Inventory was used to assess occurrence of somatic complaints. RESULTS: A significant moderating effect of somatic complaints on cortisol secretion was found in the group listening to water sounds (χ(1) = 5.87, P < .015) but not in the other 2 groups, explaining 35.7% of the variance and correctly classifying 78.9% of the cases. CONCLUSION: The stress-reducing effect of listening to water sounds appears to depend on the occurrence of somatic complaints. This effect was not found in the music or silence condition. Individuals with somatic complaints may benefit from other, potentially more powerful forms of stress-reducing interventions, that is, combinations of visual and auditory stimuli. TRIAL REGISTRATION: not applicable (pilot study).
[Mh] Termos MeSH primário: Terapia de Relaxamento/métodos
Som
Estresse Psicológico/prevenção & controle
[Mh] Termos MeSH secundário: Adulto
Área Sob a Curva
Feminino
Seres Humanos
Hidrocortisona/metabolismo
Música/psicologia
Saliva/metabolismo
Água
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Nome de substância:
059QF0KO0R (Water); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180227
[Lr] Data última revisão:
180227
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:180222
[St] Status:MEDLINE
[do] DOI:10.1097/MD.0000000000009851


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[PMID]:29329340
[Au] Autor:Raffington L; Schmiedek F; Heim C; Shing YL
[Ad] Endereço:Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, Berlin, Germany.
[Ti] Título:Cognitive control moderates parenting stress effects on children's diurnal cortisol.
[So] Source:PLoS One;13(1):e0191215, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:This study investigated associations between parenting stress in parents and self-reported stress in children with children's diurnal cortisol secretion and whether these associations are moderated by known stress-regulating capacities, namely child cognitive control. Salivary cortisol concentrations were assessed from awakening to evening on two weekend days from 53 6-to-7-year-old children. Children completed a cognitive control task and a self-report stress questionnaire with an experimenter, while parents completed a parenting stress inventory. Hierarchical, linear mixed effects models revealed that higher parenting stress was associated with overall reduced cortisol secretion in children, and this effect was moderated by cognitive control. Specifically, parenting stress was associated with reduced diurnal cortisol levels in children with lower cognitive control ability and not in children with higher cognitive control ability. There were no effects of self-reported stress in children on their cortisol secretion, presumably because 6-to-7-year-old children cannot yet self-report on stress experiences. Our results suggest that higher cognitive control skills may buffer the effects of parenting stress in parents on their children's stress regulation in middle childhood. This could indicate that training cognitive control skills in early life could be a target to prevent stress-related disorders.
[Mh] Termos MeSH primário: Hidrocortisona/secreção
Relações Pais-Filho
Poder Familiar/psicologia
Estresse Psicológico
[Mh] Termos MeSH secundário: Criança
Ritmo Circadiano/fisiologia
Cognição/fisiologia
Feminino
Seres Humanos
Modelos Lineares
Masculino
Modelos Psicológicos
Autorrelato
Estresse Fisiológico
Inquéritos e Questionários
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180226
[Lr] Data última revisão:
180226
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180113
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191215


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[PMID]:28282750
[Au] Autor:Jones MJ; Peeling P; Dawson B; Halson S; Miller J; Dunican I; Clarke M; Goodman C; Eastwood P
[Ad] Endereço:a Department of Sport Science, Exercise and Health, School of Human Sciences , The University of Western Australia , Crawley , WA , Australia.
[Ti] Título:Evening electronic device use: The effects on alertness, sleep and next-day physical performance in athletes.
[So] Source:J Sports Sci;36(2):162-170, 2018 Jan.
[Is] ISSN:1466-447X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The aim of the present study was to investigate the influence of different types of tasks performed with or without an electronic device (tablet) on pre-sleep alertness, subsequent sleep quality and next-day athletic performance. Eight highly trained netball players attended a sleep laboratory for pre-sleep testing, polysomnographic sleep monitoring and next-day physical performance testing on 5 separate occasions (1 familiarisation and 4 experimental sessions). For 2 h prior to bedtime, athletes completed cognitively stimulating tasks (puzzles) or passive tasks (reading) with or without a tablet. Sleepiness tended to be greater after reading compared to completing puzzles without a tablet (d = 0.80), but not with a tablet. Melatonin concentration increased more so after reading compared to completing puzzles on a tablet (P = 0.02). There were no significant differences in sleep quality or quantity or next-day athletic performance between any of the conditions. These data suggest that using a tablet for 2 h prior to sleep does not negatively affect subsequent sleep or next-day performance in athletes.
[Mh] Termos MeSH primário: Desempenho Atlético
Atenção
Microcomputadores/utilização
Sono
[Mh] Termos MeSH secundário: Adolescente
Temperatura Corporal
Orelha Média/fisiologia
Feminino
Seres Humanos
Hidrocortisona/metabolismo
Melatonina/metabolismo
Salvia/metabolismo
Análise e Desempenho de Tarefas
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
JL5DK93RCL (Melatonin); WI4X0X7BPJ (Hydrocortisone)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180226
[Lr] Data última revisão:
180226
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170312
[St] Status:MEDLINE
[do] DOI:10.1080/02640414.2017.1287936



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