{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,11]],"date-time":"2026-11-11T05:16:26Z","timestamp":1794374186153,"version":"4.9.0"},"reference-count":73,"publisher":"Society for Neuroscience","issue":"9","license":[{"start":{"date-parts":[[2014,8,26]],"date-time":"2014-08-26T00:00:00Z","timestamp":1409011200000},"content-version":"vor","delay-in-days":181,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Neurosci."],"published-print":{"date-parts":[[2014,2,26]]},"abstract":"<jats:p>Neuronal activity in the deep layers of the macaque (<jats:italic>Macaca mulatta<\/jats:italic>) superior colliculus (SC) and the underlying reticular formation is correlated with the initiation and execution of arm movements (Werner, 1993). Although the correlation of this activity with EMGs of proximal arm muscles is as strong as in motor cortex (Werner et al., 1997a; Stuphorn et al., 1999), little is known about the influence of electrical microstimulation in the SC on the initiation and trajectories of arm movements. Our experiments on three macaque monkeys clearly show that arm movements can be elicited by electrical microstimulation in the deep layers of the lateral SC and underlying reticular formation. The most extensively trained monkey, M1, extended his arm toward the screen in front of him more or less stereotypically upon electrical SC stimulation. In two other monkeys, M2 and M3, a larger repertoire of arm movements were elicited, categorized into three movement types, and compared before (M3) and after (M2 and M3) training: twitch (56% vs 62%), lift (6% vs 5%), and extend (37% vs 32%), respectively. Therefore, arm movements induced by electrical stimulation in the monkey SC represent a further component of the functional repertoire of the SC using its impact on motoneurons in the spinal cord, probably via premotor neurons in the brainstem, as well as on structures involved in executing more complex movements such as target-directed reaching. Therefore, the macaque SC could be involved directly in the initiation, execution, and amendment of arm and hand movements.<\/jats:p>","DOI":"10.1523\/jneurosci.0443-13.2014","type":"journal-article","created":{"date-parts":[[2014,2,26]],"date-time":"2014-02-26T17:23:41Z","timestamp":1393435421000},"page":"3350-3363","source":"Crossref","is-referenced-by-count":72,"title":["Arm Movements Induced by Electrical Microstimulation in the Superior Colliculus of the Macaque Monkey"],"prefix":"10.1523","volume":"34","author":[{"given":"Roland","family":"Philipp","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Klaus-Peter","family":"Hoffmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"393","published-online":{"date-parts":[[2014,2,26]]},"reference":[{"key":"2023041304093519000_34.9.3350.1","first-page":"112","article-title":"The visual grasp reflex","volume":"7","author":"Akert","year":"1949","journal-title":"Helv Physiol Acta"},{"key":"2023041304093519000_34.9.3350.2","doi-asserted-by":"crossref","first-page":"898","DOI":"10.1152\/jn.1971.34.5.898","article-title":"Influence of superior colliculus on cat neck motoneurons","volume":"34","author":"Anderson","year":"1971","journal-title":"J Neurophysiol"},{"key":"2023041304093519000_34.9.3350.3","doi-asserted-by":"crossref","first-page":"462","DOI":"10.1152\/jn.1972.35.4.462","article-title":"Tectal and tegmental influences on cat forelimb and hindlimb motoneurons","volume":"35","author":"Anderson","year":"1972","journal-title":"J Neurophysiol"},{"key":"2023041304093519000_34.9.3350.4","doi-asserted-by":"publisher","DOI":"10.1002\/cne.22353"},{"key":"2023041304093519000_34.9.3350.5","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bhs392"},{"key":"2023041304093519000_34.9.3350.6","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bhp136"},{"key":"2023041304093519000_34.9.3350.7","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bhh154"},{"key":"2023041304093519000_34.9.3350.8","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-004-1956-4"},{"key":"2023041304093519000_34.9.3350.9","doi-asserted-by":"publisher","DOI":"10.1002\/cne.901780208"},{"key":"2023041304093519000_34.9.3350.10","doi-asserted-by":"publisher","DOI":"10.1016\/0304-3940(79)91477-0"},{"key":"2023041304093519000_34.9.3350.11","doi-asserted-by":"crossref","first-page":"1980","DOI":"10.1152\/jn.2002.88.4.1980","article-title":"Neck muscle responses to stimulation of monkey superior colliculus. 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