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Visual cortex: Difference between revisions

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→‎Ventral-dorsal model: changed "medial temporal" (which suggests hippocampal complex, amygdala etc) to "middle temporal"
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V1 transmits information to two primary pathways, called the ventral stream and the dorsal stream.<ref>{{cite book |title=Computer Vision, Imaging and Computer Graphics Theory and Applications |location=Berlin, Germany |first1=José |last1=Braz |first2=Julien |last2=Pettré |first3=Paul |last3=Richard |first4=Andreas |last4=Kerren |first5=Lars |last5=Linsen |first6=Sebastiano |last6=Battiato |first7=Francisco |last7=Imai |publisher=[[Springer (publisher)|Springer]] |date=February 11, 2016 |page=377 |isbn=978-3-319-29971-6 |chapter=Algorithmic Optimnizations in the HMAX Model Targeted for Efficient Object Recognition |chapter-url=https://books.google.com/books?id=hpKRCwAAQBAJ&pg=PA377 |editor-last=Bitar |editor-first=Ahmad W. |editor2-last=Mansour |editor2-first=Mohamad M. |editor3-last=Chehab |editor3-first=Ali}}</ref>
* The '''[[Two-streams hypothesis#Ventral stream|ventral stream]]''' begins with V1, goes through visual area V2, then through visual area V4, and to the [[inferior temporal cortex]] (IT cortex). The ventral stream, sometimes called the "What Pathway", is associated with form recognition and object representation. It is also associated with storage of [[long-term memory]].
* The '''[[Two-streams hypothesis#Dorsal stream|dorsal stream]]''' begins with V1, goes through Visual area V2, then to the [[dorsomedial area]] (DM/V6) and medialmiddle temporal area (MT/V5) and to the [[posterior parietal cortex]]. The dorsal stream, sometimes called the "Where Pathway" or "How Pathway", is associated with motion, representation of object locations, and control of the eyes and arms, especially when visual information is used to guide [[saccade]]s or reaching.
 
The what vs. where account of the ventral/dorsal pathways was first described by [[Leslie Ungerleider|Ungerleider]] and [[Mortimer Mishkin|Mishkin]].<ref>{{cite book |title=Analysis of Visual Behavior |chapter=Two Cortical Visual Systems |chapter-url=https://archive.org/details/analysisofvisual00ingl |chapter-url-access=registration |vauthors=Ungerleider LG, Mishkin M |publisher=MIT Press |year=1982 |veditors=Ingle DJ, Goodale MA, Mansfield RJ |location=Boston |isbn=978-0-262-09022-3 |pages=[https://archive.org/details/analysisofvisual00ingl/page/549 549–586]}}</ref>