{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T05:00:31Z","timestamp":1777698031049,"version":"3.51.4"},"reference-count":53,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2016,10,13]],"date-time":"2016-10-13T00:00:00Z","timestamp":1476316800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["11554"],"award-info":[{"award-number":["11554"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["21076"],"award-info":[{"award-number":["21076"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010002","name":"Ministry of Education","doi-asserted-by":"publisher","award":["1022112031"],"award-info":[{"award-number":["1022112031"]}],"id":[{"id":"10.13039\/100010002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Physiology"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:sec>\n                    <jats:title>Key points<\/jats:title>\n                    <jats:p>\n                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Spinal reflexes are substantial components of the motor control system in all vertebrates and centrally driven reflex modifications are essential to many behaviours, but little is known about the neuronal mechanisms underlying these modifications.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>\n                            To study this issue, we took advantage of an\n                            <jats:italic>in vitro<\/jats:italic>\n                            brainstem\u2013spinal cord preparation of the lamprey (a lower vertebrate), in which spinal reflex responses to spinal cord bending (caused by signals from spinal stretch receptor neurons) can be evoked during different types of fictive behaviour.\n                          <\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Our results demonstrate that reflexes observed during fast forward swimming are reversed during escape behaviours, with the reflex reversal presumably caused by supraspinal commands transmitted by a population of reticulospinal neurons.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>NMDA receptors are involved in the formation of these commands, which are addressed primarily to the ipsilateral spinal networks.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>In the present study the neuronal mechanisms underlying reflex reversal have been characterized for the first time.<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Abstract<\/jats:title>\n                    <jats:p>\n                      Spinal reflexes can be modified during different motor behaviours. However, our knowledge about the neuronal mechanisms underlying these modifications in vertebrates is scarce. In the lamprey, a lower vertebrate, body bending causes activation of intraspinal stretch receptor neurons (SRNs) resulting in spinal reflexes: activation of motoneurons (MNs) with bending towards either the contralateral or ipsilateral side (a convex or concave response, respectively). The present study had two main aims: (i) to investigate how these spinal reflexes are modified during different motor behaviours, and (ii) to reveal reticulospinal neurons (RSNs) transmitting commands for the reflex modification. For this purpose in\n                      <jats:italic>in vitro<\/jats:italic>\n                      brainstem\u2013spinal cord preparation, RSNs and reflex responses to bending were recorded during different fictive behaviours evoked by supraspinal commands. We found that during fast forward swimming MNs exhibited convex responses. By contrast, during escape behaviours, MNs exhibited concave responses. We found RSNs that were activated during both stimulation causing reflex reversal without initiation of any specific behaviour, and stimulation causing reflex reversal during escape behaviour. We suggest that these RSNs transmit commands for the reflex modification. Application of the NMDA antagonist (AP\u20105) to the brainstem significantly decreased the reversed reflex, suggesting involvement of NMDA receptors in the formation of these commands. Longitudinal split of the spinal cord did not abolish the reflex reversal caused by supraspinal commands, suggesting an important role for ipsilateral networks in determining this type of motor response. This is the first study to reveal the neuronal mechanisms underlying supraspinal control of reflex reversal.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1113\/jp272714","type":"journal-article","created":{"date-parts":[[2016,9,2]],"date-time":"2016-09-02T08:37:24Z","timestamp":1472805444000},"page":"883-900","source":"Crossref","is-referenced-by-count":15,"title":["Supraspinal control of spinal reflex responses to body bending during different behaviours in lampreys"],"prefix":"10.1113","volume":"595","author":[{"given":"Li\u2010Ju","family":"Hsu","sequence":"first","affiliation":[{"name":"Department of Neuroscience Karolinska Institute  SE\u201017177 Stockholm Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pavel V.","family":"Zelenin","sequence":"additional","affiliation":[{"name":"Department of Neuroscience Karolinska Institute  SE\u201017177 Stockholm Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grigori N.","family":"Orlovsky","sequence":"additional","affiliation":[{"name":"Department of Neuroscience Karolinska Institute  SE\u201017177 Stockholm Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tatiana G.","family":"Deliagina","sequence":"additional","affiliation":[{"name":"Department of Neuroscience Karolinska Institute  SE\u201017177 Stockholm Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,10,13]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0301-0082(86)90021-3"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.01247.2004"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.00202.2003"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.3433-09.2010"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/0006-8993(87)90397-0"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0959-4388(98)80115-3"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.01100.2002"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/0304-3940(91)90516-V"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0165-0173(02)00199-6"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1113\/jphysiol.1962.sp006886"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1096-9861(19971229)389:4<603::AID-CNE5>3.0.CO;2-4"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.2001.86.5.2257"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.2001.86.5.2246"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0006-8993(77)90710-7"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.01086.2012"},{"key":"e_1_2_6_17_1","first-page":"1179","volume-title":"Handbook of Physiology. 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