Abstract Background It is established that increasing the amplitude of a flutter stimulus increases its perceived intensity. Although many studies have examined this phenomenon with regard to the responding afferent population. the way in which the intensity of a stimulus is coded in primary somatosensory cortex (SI) remains unclear. Results Optical intrinsic signal (OIS) imaging was ... https://www.annigora.com/product-category/household-cleaning-skincare-and-hygiene-products/