Self-awareness, meaning in English, refers to the capacity to introspect and recognise oneself as an individual separate from the environment and other people. It is the ability to consciously know and understand one’s own character, feelings, motives, beliefs, and desires. The World Health Organisation identifies self-awareness as one of ten essential life skills that help young people live happier, healthier lives.
The term combines “self” (oneself) with “awareness” (knowledge or perception of a situation or fact). The ancient Greek aphorism “Know Thyself” (Gnothi Seauton), inscribed at the Temple of Apollo at Delphi, underscores the long-standing recognition that self-knowledge is foundational to wisdom and ethical life. Psychologists distinguish between two main types: private self-awareness (recognising one’s own beliefs, feelings, and internal states) and public self-awareness (awareness of oneself as a social object concerned with how others perceive one).
Self-awareness includes several key characteristics: introspection and metacognition (“thinking about thinking”), self-recognition (understanding one’s bodily boundaries), temporal self-awareness (connecting past, present, and future selves), and self-monitoring (adjusting behaviour in real time). The famous mirror test (Mark Test), developed by psychologist Gordon Gallup Jr. in 1970, is used to measure self-recognition in animals and infants. Human infants typically begin passing the mirror test between 18 and 24 months of age. Neuroscientific research links self-awareness to a distributed brain network, including the medial prefrontal cortex (MPFC), precuneus, and posterior cingulate cortex (PCC), collectively known as the Default Mode Network (DMN).
Self-awareness is not merely knowing your strengths but also recognising your limitations, flaws, and how your behaviour affects others. As one definition states, it means “having a good understanding of our own character, that is, having the ability to see ourselves clearly.” While heightened self-awareness can sometimes lead to negative self-evaluation, it is also essential for perspective-taking, self-regulation, accurate self-knowledge, and building meaningful relationships. Developing self-awareness requires tuning into what neurologist Antonio Damasio calls “gut feelings” and practising honest self-reflection.





