What are the most frequent types of hallucinations?

The most frequent types of hallucinations include auditory, visual, and tactile hallucinations. Auditory hallucinations often involve hearing voices or sounds that are not present, commonly associated with conditions like schizophrenia. Visual hallucinations involve seeing things that aren't there, such as figures or flashes of light, and can occur in various mental health disorders or during substance use. Tactile hallucinations involve the sensation of physical sensations on or under the skin, such as feeling insects crawling, frequently seen in drug withdrawal or certain psychotic conditions.