**Describe the P pathway from the retina to higher visual processing areas. What type of visual information is this pathway involved in processing?**The P (parvocellular) pathway is responsible for processing fine visual details, color, and high spatial resolution. It starts in the retina with midget ganglion cells, which transmit information to the parvocellular layers of the lateral geniculate nucleus (LGN) in the thalamus. This pathway is critical for recognizing objects and perceiving detailed visual information.

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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**Describe the P pathway from the retina to higher visual processing areas. What type of visual information is this pathway involved in processing?**

The P (parvocellular) pathway is responsible for processing fine visual details, color, and high spatial resolution. It starts in the retina with midget ganglion cells, which transmit information to the parvocellular layers of the lateral geniculate nucleus (LGN) in the thalamus. This pathway is critical for recognizing objects and perceiving detailed visual information.

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Step 1: Visual pathway

The term "visual pathway" refers to the anatomical elements in charge of turning light energy into brain-interpretable electrical action potentials. The retina is where it starts, and the primary visual cortex is where it ends. The lateral geniculate nucleus (LGN) and the pulvinar are the two visual nuclei found in the thalamus. The LGN includes six layers that separate inputs and outputs based on the source of information, the eye from which the information is coming, whether the centre is excitatory or inhibitory and whether the pathway is magnocellular or parvocellular.

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