Pselaphesia is a rarely used term in medical literature that refers to the inability to detect tactile sensations in a specific area of the body. The word is spelled with a silent 'p' as [səˈlæfəsiə], with emphasis on the second syllable. The root of the word, 'pselaph-', means 'false' in Greek, while '-esia' is used to describe a state or condition. Thus, the word literally means a false or absent sense of touch. Pselaphesia is a rare condition and is often associated with damage or injury to the sensory nerves.
Pselaphesia, a term derived from the Greek words "pselaphos" meaning "deceptive" and "aphesis" meaning "a letting go," can be defined as a psychological phenomenon characterized by an individual's temporary loss of sensory perception or misinterpretation of sensory signals, resulting in a distorted perception of reality. It is commonly referred to as a sensory distortion disorder.
People experiencing pselaphesia might encounter a range of perceptual distortions that can affect any of the five senses: sight, hearing, taste, smell, and touch. These sensory distortions may manifest as hallucinations, illusions, or an altered sense of body position or movement. For example, individuals might perceive objects as larger or smaller than their actual size, hear sounds that are not present, taste strange flavors, or feel sensations of touch when there is no external stimulus.
Pselaphesia can be triggered by various factors, such as extreme stress, fatigue, sleep deprivation, medication side effects, or underlying mental health conditions like psychosis or dissociative disorders. While the experiences during pselaphesia may seem vivid and real to the affected person, they are often inconsistent with objective reality.
Treatment for pselaphesia typically involves addressing the underlying cause and managing the associated symptoms. This may include therapy, medication, lifestyle changes, and stress reduction techniques. Additionally, creating a supportive environment and providing reassurance to individuals experiencing pselaphesia can help alleviate distress associated with the sensory distortions.
Further research into the mechanisms and causes of pselaphesia is required to develop a more comprehensive understanding of this psychological phenomenon and to explore potential avenues for therapeutic interventions.
The higher tactile sense, including the muscle sense.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.