Supplementary eye field
Supplementary Eye Field
The Supplementary Eye Field (SEF) is a region of the brain involved in the control of eye movement. It is located in the dorsal part of the medial frontal cortex, anterior to the primary motor cortex.
Pronunciation
The Supplementary Eye Field is pronounced as /ˈsʌplɪˌmɛntəri aɪ fiːld/.
Etymology
The term "Supplementary Eye Field" is derived from its supplementary role in eye movement control, in addition to the primary eye fields in the frontal lobe of the brain. The term "field" refers to a specific area or region within the brain.
Function
The Supplementary Eye Field is involved in the planning and control of saccadic eye movements, which are rapid, jerky movements of the eyes that allow them to quickly scan their surroundings. It is also involved in the coordination of conjugate eye movements, which are simultaneous movements of both eyes in the same direction.
Related Terms
- Saccade: A rapid movement of the eye between fixation points.
- Conjugate eye movement: Simultaneous movement of both eyes in the same direction.
- Frontal Eye Field: A region of the brain that controls eye movement and visual attention.
- Medial Frontal Cortex: A part of the brain involved in decision making and movement planning.
See Also
External links
- Medical encyclopedia article on Supplementary eye field
- Wikipedia's article - Supplementary eye field
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