Lecture 6 - anxiety, depression and self-concept Flashcards
problem of causality
causality is hard to prove (chicken and egg problem)
- physical activity < – > well-being.
- To identify a causal relationship, experiments are required.
well-being def.
evaluation of one’s own life and the relationship between good and bad physical and psychological sensations. It is based on cognitive and affective processes that can relate to life in general or specific aspects like health, body, social or environmental.
subjective well-being
a broad category of phenomena that includes people’s emotional responses, domain satisfaction and global judgement of life satisfaction
- affect: moods and emotion
- cognition: evaluation of life satisfaction
ice-berg profile
successful performance shows a peak in vigour
- little more tension and depression
- little less fatigue and confusion
- same anger
immediate effects of single session of pa on well-being
o Reduces anger (weak effect)
o Reduces state anxiety (weak effect)
o Reduces tension (moderate effect)
o Reduces tiredness (moderate effect)
reasons for overestimation of positive effect of exercise
o Rebound effect: relief that aversive state is over (limitation of before-after comparison)
o Selection bias: data is mostly of more active people
o Inadequate measures of affect
effects of multi-week exercise on well-being
o Positive effects (small-moderate)
o No difference between exercise types
o Heterogeneity in the results suggest that there are moderators to the effect (frequency, assessment of affect)
self-concept
a person’s perception of him or herself. These perceptions are caused by experiences and interpretation of the environment and can be influenced by reinforcement, evaluation of significant others and attribution for one’s own behavior.
Shalvelson, Hubner and Stanton (1976)
self-concept is multifaceted and hierarchically structured
- academic self-concept
- social self-concept
- emotional self-concept
- physical self-concept
Physical activity improves concept of physical ability, physical appearance and general self-concept (low-moderate effect)
criticism on self-concept research
o Most studies are on children and adolescents
o Participants with low self-concept have stronger benefits
o Stronger effect for endurance training
depression
Exercise reduces depressive symptoms (moderate effect) for people with mild/moderate depression that are willing, motivated and physically healthy enough to do a program.
Bartholomew (2005)
acute effects of single-bout exercise on depression
o Exercise: 30 min brisk walk –> increased positive mood (medium effect)
o Duration of effect: 1 hour
o Conclusion: exercise is suitable for short-term regulation of affective state
Frühauf (2016)
indoor vs outdoor pa in depression
o Outdoor > indoor > control group (no activity)
o No difference when using identical form of exercise
Heggelund (2014)
intensity of pa in depression
o Short high intensity training showed positive effects three hours after exercise. But a problem is that is can be unpleasant (how do we get people to do it)
chronic effects of long-term exercise on depression
Exercise programs as similarly effective as pharmacological or psychotherapeutic approaches in reducing depressive symptoms