- Lateral geniculate body is relay station on visual pathway.
- Receives fibres from ipsilateral temporal hemiretina and contralateral nasal hemiretina.
- Grey matter of LGB is split into 6 lamina.
- Fibres from ipsilateral temporal hemiretina ends in- 2,3,5.
- Fibres from contralateral nasal hemiretina ends in-1,4,6.
- Magnocellular and parvocellular pathways project to occipital cortex(area 17)
Magnocellular pathway
Detects depth and movement flicker.
Originates from layers 1 and 2
Parvocellular pathway
Carries information regarding color,texture ,shape and fine details of objects.
Originates from layers 3,4,5,6.
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