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. Author manuscript; available in PMC: 2015 Feb 4.
Published in final edited form as: Eye Brain. 2014 Sep 23;2014(6):121–137. doi: 10.2147/EB.S53613

Figure 9. A summary of the projections from cortical areas to the superficial and intermediate layers of the SC.

Figure 9

Notes: In macaques, V1 has the densest connections to the superficial SC, but V2, V3, DM, DL/V4, and MT all have significant projections as well. IT has weak connections to the SC, if any. FEF projects to both the superficial and intermediate layers, while areas around the IPS project to the intermediate layers of the SC.

Abbreviations: DL, dorsolateral area; DM, dorsomedial area; FEF, frontal eye field; IPS, intraparietal sulcus; IT, inferior temporal cortex; MT, middle temporal area; PAG, periaqueductal gray; SAI, stratum album intermedium; SAP, stratum album profundum; SGI, stratum griseum intermedium; SGP, stratum griseum profundum; SGS, stratum griseum superficiale; SO, stratum opticum; SZ, stratum zonale; SC, superior colliculus.