Superior colliculus
(Redirected from Superior brachium)
Superior colliculus is a part of the brain located on the rostral (front) edge of the midbrain, posterior to the thalamus and adjacent to the pineal gland. It is involved in the preliminary processing and routing of sensory information to the thalamus and cortex. The superior colliculus is a major component of the midbrain.
Structure[edit | edit source]
The superior colliculus is a layered structure, with a number of layers that vary by species. The layers can be grouped based on the type of input they receive. The superficial layers receive input from the retina and the deeper layers from the cortex and the spinal cord.
Function[edit | edit source]
The superior colliculus is involved in the control of eye movements, including saccades (rapid eye movements), and the coordination of head and eye movements. It is also involved in the processing of visual information and the integration of sensory information.
Clinical significance[edit | edit source]
Damage to the superior colliculus can result in a number of visual and motor deficits, including difficulties with eye movements, blindsight, and hemianopsia (loss of vision in half of the visual field).
See also[edit | edit source]
References[edit | edit source]
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