Loading...
Publication
Relação entre a qualidade do sono e a pressão do tempo na tomada de decisão em adolescentes.
Authors
Advisor(s)
Abstract(s)
Esta investigação teve como objetivo principal a exploração da relação entre qualidade
do sono (Índice de Qualidade do Sono, PSQI), cronotipo (Questionário Matutino Vespertino
reduzido, rMEQ) e tomada de decisão (Iowa Gambling Task, IGT), com e sem pressão de tempo
em adolescentes.
Integraram a amostra 67 adolescentes, com idades entre os 16 e os 18 anos (17±0.798).
A recolha de dados teve lugar numa escola secundária, em Vila Real.
Com a análise ao PSQI conseguimos perceber que 52,2% dos adolescentes que
participaram no nosso estudo obtiveram uma avaliação de qualidade do sono considerada
má/fraca. A média de duração total de sono da nossa amostra foi de 7h:13m, o que é inferior às
recomendadas 8h a 10h de sono.
Através da análise dos grupos de boa e de má qualidade de sono, testámos se existiriam
diferenças significativas relativamente ao desempenho na IGT. Tendo em conta a literatura
acerca do sono em adolescentes afirmar que existem consequências adversas nas funções
executivas, incluindo a tomada de decisão, se existir sono insuficiente, esperávamos obter
resultados estatisticamente significativos para diferenças na tomada de decisão tendo em conta
a qualidade do sono, o que não aconteceu.
Constatamos que na condição “sem pressão de tempo” seguida de “com pressão” o
sucesso é superior quando comparado com a condição inversa o que demonstrou que a pressão
de tempo influencia negativamente a tomada de decisão.
Não encontramos relação entre as variáveis independentes (qualidade do sono e
cronotipo) e nenhuma destas variáveis influenciou significativamente a variável dependente
(tomada de decisão).
ABSTRACT: This investigation has as principal objective exploring the relationship between sleep quality (Pittsburgh Sleep Quality Index – PSQI), chronotype (Morning-Afternoon Questionnaire reduced), and decision-making (Iowa Gambling Task - IGT) with and without time pressure, in adolescents. The sample included 67 adolescents, aged between 16 and 18 years old (17±0.798). Data collection took place in a Secondary School, in Vila Real. With the analysis of the PSQI, we saw that 52.2% of the adolescents who participated in our study obtained a sleep quality assessment considered poor/weak, through their responses about their sleep. The average total sleep duration of our sample was 7h:13m, which is less than the recommended 8h - 10h of sleep. Through the analysis of groups with good and poor sleep quality, we tested whether there were statistically significant differences regarding the performance in the IGT. Considering the literature about sleep in adolescents which affirms that there are adverse consequences on executive, including decision making, if there is insufficient sleep, we expected to obtain statistically significant differences in decision-making relative to sleep quality, which did not happen. We found that in the condition “without time pressure” followed by “with pressure” the success is superior when compared to the inverse condition which demonstrated that the pressure of the time negatively influences decision making. We did not found relationship between the independent variables (sleep quality and chronotype) and none of these variables significantly influenced the dependent variable (decision making).
ABSTRACT: This investigation has as principal objective exploring the relationship between sleep quality (Pittsburgh Sleep Quality Index – PSQI), chronotype (Morning-Afternoon Questionnaire reduced), and decision-making (Iowa Gambling Task - IGT) with and without time pressure, in adolescents. The sample included 67 adolescents, aged between 16 and 18 years old (17±0.798). Data collection took place in a Secondary School, in Vila Real. With the analysis of the PSQI, we saw that 52.2% of the adolescents who participated in our study obtained a sleep quality assessment considered poor/weak, through their responses about their sleep. The average total sleep duration of our sample was 7h:13m, which is less than the recommended 8h - 10h of sleep. Through the analysis of groups with good and poor sleep quality, we tested whether there were statistically significant differences regarding the performance in the IGT. Considering the literature about sleep in adolescents which affirms that there are adverse consequences on executive, including decision making, if there is insufficient sleep, we expected to obtain statistically significant differences in decision-making relative to sleep quality, which did not happen. We found that in the condition “without time pressure” followed by “with pressure” the success is superior when compared to the inverse condition which demonstrated that the pressure of the time negatively influences decision making. We did not found relationship between the independent variables (sleep quality and chronotype) and none of these variables significantly influenced the dependent variable (decision making).
Description
Dissertação de Mestrado
apresentada no Ispa – Instituto
Universitário, para obtenção de grau de
Mestre na especialidade de Neurociências Cognitivas e Comportamentais
Keywords
Sono Tomada de decisão Adolescentes Pressão de tempo Sleep Decision Making Time Pressure