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Hyperosmia is an increased olfactory acuity (heightened sense of smell), usually caused by a lower threshold for odor. [1] This perceptual disorder arises when there is an abnormally increased signal at any point between the olfactory receptors and the olfactory cortex.
Hyperacusis is an increased sensitivity to sound and a low tolerance for environmental noise. Definitions of hyperacusis can vary significantly; it often revolves around damage to or dysfunction of the stapes bone, stapedius muscle or tensor tympani ().
Hyperesthesia is a condition that involves an abnormal increase in sensitivity to stimuli of the senses.Stimuli of the senses can include sound that one hears, foods that one tastes, textures that one feels, and so forth.
One potentially life-threatening example is meningitis, which can cause chills with or without a fever, along with symptoms like a stiff neck, sensitivity to light and sound, and lethargy.
The exact cause of SPD is not known. [22] However, it is known that the midbrain and brainstem regions of the central nervous system are early centers in the processing pathway for multisensory integration ; these brain regions are involved in processes including coordination, attention, arousal, and autonomic function . [ 23 ]
Hearing: loud noise, or sound from multiple sources, such as several people talking at once. Sight: crowded or cluttered spaces, bright lights, strobing lights, or environments with much movement such as crowds or frequent scene changes on television. Smell and taste: strong aromas or spicy foods.
Losing your smell isn't the CAUSE of death, it's more like an early warning sign. WREX : "They believe the decline in the ability to smell is an indicator of some other age-related degeneration ...
Losing or not having your sense of smell may be linked to changes in breathing that could lead to depression, social isolation or other mental health problems, a new study suggests.