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Similar brief shocks can be experienced when any other nerve is tweaked (e.g. a pinched neck nerve may cause a brief shock-like paresthesia toward the scalp). In the older age group, spinal column irregularities may tweak the spinal cord briefly when the head or back is turned, flexed, or extended into brief uncommon positions (Lhermitte's sign).
Other examples of referred sensation include sensations of temperature, pain, and pressure. [1] Referred itch is commonly observed in completely healthy individuals and can often go unnoticed depending upon the particular person's self-awareness of their itches and the causes of those itches.
Notalgia paresthetica is a common localized itch, affecting mainly the area between the shoulder blades (especially the T2–T6 dermatomes) but occasionally with a more widespread distribution, involving the shoulders, back, and upper chest.
Medications that may cause sensations of head heaviness include antihistamines, muscle relaxers, antidepressants, and some anti-seizure drugs, pain medications, and beta blockers. Concussion
Cephalic aura, a perception of movement of the head or inside the head [24] Abdominal aura, such as an epigastric rising sensation [25] Nausea [26] Numbness or tingling (paresthesia) [27] Weakness on one side of the body (hemiparesis) [28] Feelings of being separated from or floating above one's body (dissociation) [29]
Dysesthesia is distinct in that it can, but not necessarily, refer to spontaneous sensations in the absence of stimuli. In the case of an evoked dysesthetic sensation, such as by the touch of clothing, the sensation is characterized not simply by an exaggeration of the feeling, but rather by a completely inappropriate sensation such as burning.
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An illustration of the route of ASMR's tingling sensation [1] An autonomous sensory meridian response (ASMR) [2] [3] [4] is a tingling sensation that usually begins on the scalp and moves down the back of the neck and upper spine. A pleasant form of paresthesia, [5] it has been compared with auditory-tactile synesthesia [6] [7] and may overlap ...