Module 4. "Types of anopsias (visual field defects) and corresponding anatomical insults." Note that anything behind the chiasm gives a homonymous defect (anything along the optic tract, LGN, optic radiations, or visual cortex).

Module 4. "Types of anopsias (visual field defects) and corresponding anatomical insults." Note that anything behind the chiasm gives a homonymous defect (anything along the optic tract, LGN, optic radiations, or visual cortex).

Visual pathway, from the eye back to the visual cortex, in the occipital lobe, in the back of the brain.

Visual pathway, from the eye back to the visual cortex, in the occipital lobe, in the back of the brain.

Neuro-Anatomy Eye Pathways and Corresponding VF Deficits - where was this when i needed it for the neuro test!

Neuro-Anatomy Eye Pathways and Corresponding VF Deficits - where was this when i needed it for the neuro test!

Nasal field displayed on temporal retina, respective optic nerve does not cross at optic chiasma (already showing opposite side of head view), --------temporal view displayed on nasal retina and respective optic nerve crosses optic chiasma turning into optic tract and entering the lateral geniculate nucleus (collection of somas) located in the thalamus and then proceeds out to the cebral cortex (visual cortex, occipital lobe). Input also to superior colliculus (inferior colliculus is…

Nasal field displayed on temporal retina, respective optic nerve does not cross at optic chiasma (already showing opposite side of head view), --------temporal view displayed on nasal retina and respective optic nerve crosses optic chiasma turning into optic tract and entering the lateral geniculate nucleus (collection of somas) located in the thalamus and then proceeds out to the cebral cortex (visual cortex, occipital lobe). Input also to superior colliculus (inferior colliculus is…

LZX Visual Cortex output encoder

LZX Visual Cortex output encoder

The visual dorsal stream (green) and ventral stream (purple) are shown. The ventral stream is responsible for color perception.

The visual dorsal stream (green) and ventral stream (purple) are shown. The ventral stream is responsible for color perception.

Visual pathways. A traditional flowchart of visual processing typically emphasizes the LGN –v1–v2–v4–teO–te pathway. The amygdala, in particular, is a recipient of visual signals from the anterior visual cortex. According to the ‘standard hypothesis’, a subcortical pathway involving the superior colliculus and the pulvinar nucleus of the thalamus provides fast and automatic access to the amygdala. An alternative view of the flow of visual signals includes...

Visual pathways. A traditional flowchart of visual processing typically emphasizes the LGN –v1–v2–v4–teO–te pathway. The amygdala, in particular, is a recipient of visual signals from the anterior visual cortex. According to the ‘standard hypothesis’, a subcortical pathway involving the superior colliculus and the pulvinar nucleus of the thalamus provides fast and automatic access to the amygdala. An alternative view of the flow of visual signals includes...

Hemodynamic Traveling Waves in Human Visual Cortex

Hemodynamic Traveling Waves in Human Visual Cortex

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