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Université de Fribourg

Role of the thalamus in basal forebrain regulation of neural activity in the primary auditory cortex

Azimi, Hamid ; Klaassen, Arndt-Lukas ; Thomas, Kevin ; Harvey, Michael A. ; Rainer, Gregor

In: Cerebral Cortex, 2020, vol. 30, no. 8, p. 4481–4495

Many studies have implicated the basal forebrain (BF) as a potent regulator of sensory encoding even at the earliest stages of or cortical processing. The source of this regulation involves the well-documented corticopetal cholinergic projections from BF to primary cortical areas. However, the BF also projects to subcortical structures, including the thalamic reticular nucleus (TRN), which...

Université de Fribourg

Spatiotemporal maps of proprioceptive inputs to the cervical spinal cord during three-dimensional reaching and grasping

Kibleur, Pierre ; Tata, Shravan R. ; Greiner, Nathan ; Conti, Sara ; Barra, Beatrice ; Zhuang, Katie ; Kaeser, Melanie ; Ijspeert , Auke ; Capogrosso, Marco

In: IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2020, vol. 28, no. 7, p. 1668–1677

Proprioceptive feedback is a critical component of voluntary movement planning and execution. Neuroprosthetic technologies aiming at restoring movement must interact with it to restore accurate motor control. Optimization and design of such technologies depends on the availability of quantitative insights into the neural dynamics of proprioceptive afferents during functional movements....

Université de Fribourg

Of circuits and brains: the origin and diversification of neural architectures

Martinez, Pedro ; Sprecher, Simon G.

In: Frontiers in Ecology and Evolution, 2020, vol. 8, p. 82

Nervous systems are complex cellular structures that allow animals to interact with their environment, which includes both the external and the internal milieu. The astonishing diversity of nervous system architectures present in all animal clades has prompted the idea that selective forces must have shaped them over evolutionary time. In most cases, neurons seem to coalesce into specific ...