Self-Determination Theory: How It Explains Motivation

Self-Determination Theory (SDT) is a psychological framework proposing that individuals have inherent growth tendencies and psychological needs (autonomy, competence, relatedness) that, when satisfied, lead to self-motivation, well-being, and personal growth. It was developed by psychologists Richard Ryan and Edward Deci.

Self-Concept in Psychology

Self-concept in psychology refers to an individual’s self-perceived knowledge, beliefs, and feelings about themselves, encompassing elements like self-worth, self-image, and self-esteem. It’s formed through experiences, interactions, and reflections, and plays a pivotal role in influencing behavior, emotions, and interpersonal relationships. A healthy self-concept promotes well-being, while a negative one can lead to emotional and social challenges.

Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder (SAD) is a form of depression that typically occurs during the fall and winter months, when daylight hours are shorter (although it can also occur in spring and summer months).