altered sensation definition
the theory that the spinal cord contains neurological gate that blocks pain signals or allows them to pass on to the brain. The gate is open by the activity of pain signals traveling up small nerve fibers and is closed by activity in larger fibers or by information coming form the brain. [par″es-the´zhah] a morbid or abnormal sensation, such as burning, prickling, or formication. postoperative paresthesia prolonged paresthesia after surgery done with a local anesthetic, especially around the mouth due to injury of the mental nerve or mandibular nerve. Altered skin sensation (symptom description): Altered skin sensation is listed as a type of or related-symptom for symptom Sensations. Altered skin sensation (symptom description): For a medical symptom description of 'Altered skin sensation', the following symptom information may be relevant to the symptoms: Sensations (type of symptom). However, note that other causes of the symptom 'Altered skin sensation' may be possible. Broader Symptom Types for Altered skin sensation: n an altered sensation reported by the patient in an area where the sensory nerve has been afflicted by a disease or an injury. The patient may report burning, prickling, formication, or other sensations. paresthesia, oral, n a numbness or tingling that occurs in the mucosa or tissues of the oral cavity. It may be caused by a deficiency in vitamin B12 (cobalamine), trauma from surgery, or local anesthesia. (par'es-thē'zē-ă), Avoid the jargonistic use of the plural of this abstract noun to mean 'episodes or zones of paresthesia'. A spontaneous abnormal usually nonpainful sensation (for example, burning, pricking); may be due to lesions of both the central and peripheral nervous systems. They are is not caused by damage or disease of the nervous system. Patients with functional sensory symptoms can experience the following: 1. A feeling of altered sensation down one side of the body (more commonly the left) - usually involving the face, arm or leg in various combinations. This is sometimes called 'hemisensory syndrome'. Facial sensory disturbance alone is quite common. 2. A feeling that a limb just doesn’t belong to them or ‘part of them’. Introduction: Altered sensation of skin. Description of Altered sensation of skin. Altered sensation of skin: Subjective cutaneous sensations (e.g., cold, warmth, tingling, pressure, etc.) that are experienced spontaneously in the absence of stimulation. Altered sensation of skin: Related Topics. Young-Helmholtz Trichromatic theory. the theory that the retina contains three different colors receptors-one most sensitive to red, one to green, one to blue-which when stimulated in combination can produce the perception of any color. signal detection theory. a theory predicting how and when we detect the presence of a faint stimuli (signal) amid background stimulation (noise). Assume that there is no single absolute threshold and that focuses more on the processing of briefly stored information. Altered sensation of skin. Altered sensation of skin: Subjective cutaneous sensations (e.g., cold, warmth, tingling, pressure, etc.) that are experienced spontaneously in the absence of stimulation. Source: Diseases Database. These medical condition or symptom topics may be relevant to medical information for Altered sensation of skin: Sensation.
A type of or related-symptom for symptom Sensations.