PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -Hallucinations are perceptual experiences that occur in the absence of external sensory stimuli. Although hallucinations are most frequently visual or auditory in nature, they may be experienced in any sensory modality, including olfactory, gustatory, tactile, and visceral.

Detailed explanation-2: -Hallucinations are perceptions that have no direct external cause. Examples include seeing, hearing, smelling, tasting, or feeling things that do not exist. Hypnosis, meditation, withdrawal from a drug to which one has become addicted, and psychological breakdown may produce hallucinations.

Detailed explanation-3: -n. a false sensory perception that has a compelling sense of reality despite the absence of an external stimulus. It may affect any of the senses, but auditory hallucinations and visual hallucinations are most common.