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Name |
Email |
Telephone |
| Professor |
Ichiro
Fujita,
Ph.D. |
 |
+81-6-6850-6510 |
| Associate Prof. |
Hiroshi Tamura, Ph.D. |
 |
+81-6-6850-6538 |
| Assistant Prof. |
Hiroyuki Yoneshima, MD,
Ph.D. |
 |
+81-6-6850-6512 |
We study the neural mechanisms underlying
visual perception and recognition. Look around, and you will
notice the visual diversity of objects that surround you. You
can idenify all of them without a problem. If we stop to consider
the following for a moment, we can understand how truly remarkable
our visual system is.
No retinal image can ever be reproduced exactly, because our
visual world is forever changing, from moment to moment. Retinal
images change owing to many factors including changes in illumination
and vantage point, or motion and articulation of objects. An
object you look at may even be partially occluded by another
object in front of it. The retinal image also lacks a large part
of information along the depth direction. It is a 2-dimensional
image, whereas the real and perceived world is 3-dimensional!
The retinal image is thus changing, unpredictable, and imperfect
in many ways, and yet based on visual information conveyed by
the retina, our brain is able to perceive and recognize objects,
people, and scenes.
We have focused our attention on a particular visual pathway
in the cerebral cortex, namely, the "ventral visual pathway",
which is responsible for object recognition. As the name indicates,
this pathway projects ventrally from the primary visual cortex
to the inferior temporal cortex (IT) via several relays. We are
interested in how the visual information from objects is processed
along this pathway.
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