![]() Hallucinations are false perceptions while illusions are merely misperceptions. Temporal illusion- concerned with the perception distortion of time like when minutes seem to significantly slow down to hoursĭifference between Hallucination and Illusion.Tactile illusion- this involves deceptions via touch such as the phantom limb wherein a patient still perceives pain in a leg which has already been amputated.Auditory illusion- characterized by sounds which are not actually present or improbable such as those in psychoacoustic tricks.Optical illusion- makes use of visually deceptive illustrations like the Ebbinghaus and Hermann Grid illusions.The following are the different kinds of illusions: Though illusions are usually related with visual processes as it dominates the others, they are also associated with the other senses. This happens when the brain tries to fill in gaps in the organized sensory information. With the alteration of the stimulus, people experience “misperception”. Rightly so, it occurs when something seems to be different from what it actually is. Illusion came from the Latin word, “illusio” which means “to mock”. General Somatic Sensations- having the erroneous perception that one’s body is being mutilated.Gustatory Hallucination- tasting something without the pertinent external stimulus such as feeling that something which is usually eaten has a very odd taste.Tactile Hallucination- having the feeling that something is crawling under one’s skin or any related sensation involving touch.Olfactory Hallucination (phantosmia)– smelling something which is not there.Command Hallucination- hearing or being impressed with certain commands which are erroneously perceived to be from somebody else.Auditory Hallucination (“paracusia”) – hearing voices or sounds without any external stimuli.Visual Hallucination – seeing something which is not actually there like seeing strange insects on somebody’s face.The following are the different kinds of hallucinations: This is the reason why prolonged states of hallucination is closely linked with psychological illnesses such as schizophrenia. Hence, the perceptual event is not consistent with reality. ![]() As the supposed stimuli is only internally present, a person going through this sees or hears something that cannot be perceived by others. Indeed, a hallucination is a false perception as the pertinent external stimuli is actually absent. Hallucination came from the Latin word “hallucinat” which means “gone astray in thought”. A hallucination is an error in perception that is why it is often associated with mental health issues whereas an illusion is merely a misperception which is often used in magic tricks. The key difference is the presence of a stimulus which only exists in the latter. ![]() Hallucinations and Illusions are popular terms in connection with the concept of perception. ![]()
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