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Hypoesthesia or numbness is a common side effect of various medical conditions that manifests as a reduced sense of touch or sensation, or a partial loss of sensitivity to sensory stimuli. In everyday speech this is generally referred to as numbness. [1]
Cutaneous dysesthesia is characterized by discomfort or pain from touch to the skin by normal stimuli, including clothing. The unpleasantness can range from a mild tingling to blunt, incapacitating pain. [citation needed] Scalp dysesthesia is characterized by pain or burning sensations on or under the surface of the cranial skin. Scalp ...
A theory behind the condition is that nerves innervating scalp hair follicles send pain messages back to the brain when the follicle no longer has a hair in it, in a similar way to phantom limb pain. Another theory is that people who have this condition (sometimes called "ponytail syndrome") have super-sensitive nerves in their scalp.
On the lips, it is 2 to 4 mm, and on the palms, it is 8 to 12 mm and 30–40 mm on the shins or back (assuming the points are at the same dermatome). [1]: 632 The posterior column-medial lemniscus pathway is responsible for carrying information involving fine, discriminative touch. Therefore, two-point discrimination can be impaired by damage ...
Craves touch. Needs to touch everything and everyone. Self-injures behavior; pinching, biting, cutting, head-banging. Has a high pain tolerance. Likes to put objects in their mouth. Seeks out surfaces and textures that provide strong tactile feedback. Often is not aware of being touched/bumped unless done with extreme force or sensitivity.
Individuals may have reduced sensitivity to touch in the areas affected by the pain, as if the part is 'falling asleep'. The burning and loss of sense of touch are usually, but not always, most severe on the distant parts of the body, such as the feet or hands, spreading until it is in some cases felt from head to toe. Usually the burning pain ...
Increased touch sensitivity is referred to as "tactile hyperesthesia", and increased sound sensitivity is called "auditory hyperesthesia". In the context of pain, hyperaesthesia can refer to an increase in sensitivity where there is both allodynia and hyperalgesia .
Over-sensitivity to touch, movement, sights, or sounds. Avoiding touching or being touched; Irritation caused by shoes, socks, tags, or different textures; Complaining about noises that do not affect others; Covering eyes around bright lights; Covering ears to close out sounds or voices; Excitability; Making poor eye contact