What are the causes of postural tachycardia syndrome (PoTS)? The cause of PoTS is often unknown or may follow after a viral infection. PoTS is often not associated with any other condition. However, PoTS may sometimes be associated with various conditions, including: Other causes of problems with the autonomic nervous system - for example, diabetes. Ehlers-Danlos syndrome.
Definition of metacognition. : awareness or analysis of one's own learning or thinking processes research on metacognition â¦ has demonstrated the value of monitoring one's own cognitive processes â Colette A. Daiute.
spherical aberration in Medicine. spherical aberration n. A blurred image that occurs when light from the margin of a lens or mirror with a spherical surface comes to a shorter focus than light from the central portion. Also called dioptric aberration.