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Variable interhemispheric asymmetry in layer v of the supplementary motor area following cervical hemisection in adult macaque monkeys

Contestabile, Alessandro ; Colangiulo, R. ; Lucchini, Matteo ; Rouiller, Eric M. ; Schmidlin, Eric

In: eNeuro, 2020, vol. 7, no. 5, p. ENEURO.0280-20.2020

Motor cortical areas from both hemispheres play a role during functional recovery after a unilateral spinal cord injury (SCI). However, little is known about the morphologic and phenotypical differences that a SCI could trigger in corticospinal (CS) neurons of the ipsilesional and contralesional hemisphere. Using an SMI-32 antibody which specifically labeled pyramidal neurons in cortical...

Corticotectal projections from the premotor or primary motor cortex after cortical lesion or parkinsonian symptoms in adult macaque monkeys: a pilot tracing study

Fregosi, Michela ; Contestabile, Alessandro ; Badoud, Simon ; Borgognon, Simon ; Cottet, Jérôme ; Brunet, Jean-François ; Bloch, Jocelyne ; Schwab, Martin E. ; Rouiller, Eric M.

In: Frontiers in Neuroanatomy, 2019, vol. 13, p. -

The corticotectal projections, together with the corticobulbar (corticoreticular) projections, work in parallel with the corticospinal tract (CST) to influence motoneurons in the spinal cord both directly and indirectly via the brainstem descending pathways. The tectospinal tract (TST) originates in the deep layers of the superior colliculus. In the present study, we analyzed the...

Changes of motor corticobulbar projections following different lesion types affecting the central nervous system in adult macaque monkeys

Fregosi, Michela ; Contestabile, Alessandro ; Badoud, Simon ; Borgognon, Simon ; Cottet, Jérôme ; Brunet, Jean-François ; Bloch, Jocelyne ; Schwab, Martin E. ; Rouiller, Eric M.

In: European Journal of Neuroscience, 2018, vol. 48, no. 4, p. 2050–2070

Corticobulbar projections from distinct motor cortical areas to the reticular formation in macaque monkeys

Fregosi, Michela ; Contestabile, Alessandro ; Hamadjida, Adjia ; Rouiller, Eric M.

In: European Journal of Neuroscience, 2017, vol. 45, no. 11, p. 1379–1395

Corticospinal and corticobulbar descending pathways act in parallel with brainstem systems, such as the reticulospinal tract, to ensure the control of voluntary movements via direct or indirect influences onto spinal motoneurons. The aim of this study was to investigate the corticobulbar projections from distinct motor cortical areas onto different nuclei of the reticular formation. Seven adult...