This refers to the physical sensation of pain, including its location, intensity, and quality (e.g., sharp, dull, burning). It involves the activation of sensory receptors (nociceptors) and the transmission of pain signals through the nervous system.

This encompasses the emotional and psychological experience of pain, such as feelings of distress, anxiety, fear, and anger. It is influenced by factors like past pain experiences, personality, and coping mechanisms.

This involves the thoughts, beliefs, and interpretations surrounding the pain experience. It can influence how someone perceives and responds to pain, as well as their overall coping strategy.

This refers to the outward manifestations of pain, such as facial expressions, body language, changes in activity levels, and verbal expressions of pain. It can be influenced by cultural norms and individual differences.