PNB 2XB3 - Central Vision Questions And Answers Rated A+ New Update Assured Satisfaction

For an on-center ganglion cell, what causes it to maximally fire? - ️️light in the center and darkness in the surround superchiasmatic nucleus - ️️part of the hypothalamus, which regulates circadian rhythms - some axons from the retina go here explain the retinotopic/visuotopic map of the primary visual cortex - ️️the macula takes up a disproportionally large space in the cortex, compared to the peripheral field What is the spontaneous level of activity or baseline for a ganglion cell? - ️️when the entire field is in the dark color opponency - ️️the center and surround cones can be of different types (red,green,blue...) fixating the eyes on an object - ️️turning the eyes so that the image falls on the fovea of each eye monocular vision portion of the visual field - ️️areas that only one eye can see binocular visual field - ️️a region of the visual field seen by both eyes a view in the left VISUAL FIELD is sent to which side of the occipital lobe? - ️️the right side macula - ️️center of vision consists of the axons from both the nasal and temporal retina of one eye - ️️optic nerve the nasal pathways decussate through the - ️️optic chiasm what axons are in each optic tract? - ️️temporal retina axons of the ipsilateral eye, and the nasal retina axons of the contralateral eye contralaterality in the visual system can be seen starting in the - ️️optic tract pretectum - ️️area in the brainstem to control pupil dilation (unconscious) - some axons from the retina go herethe optic tract runs to the ...., found in the.... - ️️lateral geniculate nucleus - thalamus the LGN receives glutamate from the ... and their axons fan out in what's known as the ... - ️️optic tract - optic radiation right monocular blindness - ️️a legion in the optic nerve of the right eye would make one blind in the right eye; thus, no input would come from the visual field of the right eye