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Composition and topographic organization of signals sent from the frontal eye field to the superior colliculus.
(J Neurophysiol, 2000-04)
The frontal eye field (FEF) and superior colliculus (SC) contribute to saccadic eye
movement generation, and much of the FEF's oculomotor influence may be mediated through
the SC. The present study examined the composition ...
A screw microdrive for adjustable chronic unit recording in monkeys.
(J Neurosci Methods, 1998-06-01)
A screw microdrive is described that attaches to the grid system used for recording
single neurons from brains of awake behaving monkeys. Multiple screwdrives can be
mounted on a grid over a single cranial opening. This ...
Signal transformations from cerebral cortex to superior colliculus for the generation of saccades.
(Vision Res, 2001)
The ability of primates to make rapid and accurate saccadic eye movements for exploring
the natural world is based on a neuronal system in the brain that has been studied
extensively and is known to include multiple brain ...
A pathway in primate brain for internal monitoring of movements.
(Science, 2002-05-24)
It is essential to keep track of the movements we make, and one way to do that is
to monitor correlates, or corollary discharges, of neuronal movement commands. We
hypothesized that a previously identified pathway from brainstem ...
Frontal eye field sends delay activity related to movement, memory, and vision to the superior colliculus.
(J Neurophysiol, 2001-04)
Many neurons within prefrontal cortex exhibit a tonic discharge between visual stimulation
and motor response. This delay activity may contribute to movement, memory, and vision.
We studied delay activity sent from the frontal ...
What the brain stem tells the frontal cortex. I. Oculomotor signals sent from superior colliculus to frontal eye field via mediodorsal thalamus.
(J Neurophysiol, 2004-03)
Neuronal processing in cerebral cortex and signal transmission from cortex to brain
stem have been studied extensively, but little is known about the numerous feedback
pathways that ascend from brain stem to cortex. In this ...
What the brain stem tells the frontal cortex. II. Role of the SC-MD-FEF pathway in corollary discharge.
(J Neurophysiol, 2004-03)
One way we keep track of our movements is by monitoring corollary discharges or internal
copies of movement commands. This study tested a hypothesis that the pathway from
superior colliculus (SC) to mediodorsal thalamus ...
Influence of the thalamus on spatial visual processing in frontal cortex.
(Nature, 2006-11-16)
Each of our movements activates our own sensory receptors, and therefore keeping track
of self-movement is a necessary part of analysing sensory input. One way in which
the brain keeps track of self-movement is by monitoring ...
Frontal eye field neurons orthodromically activated from the superior colliculus.
(J Neurophysiol, 1998-12)
Frontal eye field neurons orthodromically activated from the superior colliculus.
J. Neurophysiol. 80: 3331-3333, 1998. Anatomical studies have shown that the frontal
eye field (FEF) and superior colliculus (SC) of monkeys ...
Visual perception and corollary discharge.
(Perception, 2008)
Perception depends not only on sensory input but also on the state of the brain receiving
that input. A classic example is perception of a stable visual world in spite of the
saccadic eye movements that shift the images ...