Rethinking the pedunculopontine nucleus: from cellular organization to function

J Mena-Segovia, JP Bolam - Neuron, 2017 - cell.com
The pedunculopontine nucleus (PPN) has long been considered an interface between the
basal ganglia and motor systems, and its ability to regulate arousal states puts the PPN in a …

Neurophysiology of the pedunculopontine tegmental nucleus

F Vitale, A Capozzo, P Mazzone, E Scarnati - Neurobiology of disease, 2019 - Elsevier
The interest in the pedunculopontine tegmental nucleus (PPTg), a structure located in the
brainstem at the level of the pontomesencephalic junction, has greatly increased in recent …

Hidden neural states underlie canary song syntax

Y Cohen, J Shen, D Semu, DP Leman, WA Liberti III… - Nature, 2020 - nature.com
Coordinated skills such as speech or dance involve sequences of actions that follow
syntactic rules in which transitions between elements depend on the identities and order of …

Cholinergic neurons in the pedunculopontine nucleus guide reversal learning by signaling the changing reward contingency

Y Ruan, KY Li, R Zheng, YQ Yan, ZX Wang, Y Chen… - Cell Reports, 2022 - cell.com
Cognitive flexibility enables effective switching between mental processes to generate
appropriate responses. Cholinergic neurons (CNs) within the pedunculopontine nucleus …

Pedunculopontine nucleus: an integrative view with implications on deep brain stimulation

A Nowacki, S Galati, J Ai-Schlaeppi, C Bassetti… - Neurobiology of …, 2019 - Elsevier
The pedunculopontine nucleus (PPN) is a reticular nucleus located in the mesencephalic
and upper pontine tegmentum. Initially, characterized by its predominant cholinergic …

Inhibitory Pedunculopontine Neurons Gate Dopamine-Mediated Motor Actions of Unsigned Valence

S Zhang, J Mena-Segovia… - Current …, 2024 - ingentaconnect.com
Background: The pedunculopontine nucleus (PPN) maintains a bidirectional connectivity
with the basal ganglia that supports their shared roles in the selection and execution of …

Control of adaptive action selection by secondary motor cortex during flexible visual categorization

TY Wang, J Liu, H Yao - Elife, 2020 - elifesciences.org
Adaptive action selection during stimulus categorization is an important feature of flexible
behavior. To examine neural mechanism underlying this process, we trained mice to …

Model discovery to link neural activity to behavioral tasks

JD Costabile, KA Balakrishnan, S Schwinn… - Elife, 2023 - elifesciences.org
Brains are not engineered solutions to a well-defined problem but arose through selective
pressure acting on random variation. It is therefore unclear how well a model chosen by an …

The cellular diversity of the pedunculopontine nucleus: relevance to behavior in health and aspects of Parkinson's disease

IS Pienaar, A Vernon, P Winn - The Neuroscientist, 2017 - journals.sagepub.com
The pedunculopontine nucleus (PPN) is a rostral brainstem structure that has extensive
connections with basal ganglia nuclei and the thalamus. Through these the PPN contributes …

Non-motor connections of the pedunculopontine nucleus of the rat and human brain

M Özkan, B Köse, O Algın, S Oğuz, ME Erden… - Neuroscience …, 2022 - Elsevier
Introduction The connections of the pedunculopontine nucleus (PPN) with motor areas of the
central nervous system (CNS) are well described in the literature, in contrast relations with …