What is the key difference between hallucinations and delusions?

The key difference between hallucinations and delusions lies in their nature and manifestation. Hallucinations are sensory experiences where an individual perceives things that are not present, such as hearing voices or seeing objects that do not exist. This can involve any of the senses, but commonly includes auditory and visual experiences. On the other hand, delusions are false beliefs that the individual holds onto despite evidence to the contrary. These beliefs are often implausible, such as a person thinking they are being persecuted or have extraordinary powers.

This distinction is crucial in understanding psychotic disorders, as hallucinations directly affect how a person experiences their environment, while delusions impact their thought processes and interpretation of reality. Recognizing this difference can aid in diagnosis and treatment planning for individuals experiencing these symptoms.