Cell and circuit complexity of the external globus pallidus

CD Courtney, A Pamukcu, CS Chan - Nature neuroscience, 2023 - nature.com
The external globus pallidus (GPe) of the basal ganglia has been underappreciated owing
to poor understanding of its cells and circuits. It was assumed that the GPe consisted of a …

Changing views of the pathophysiology of Parkinsonism

T Wichmann - Movement Disorders, 2019 - Wiley Online Library
Studies of the pathophysiology of parkinsonism (specifically akinesia and bradykinesia)
have a long history and primarily model the consequences of dopamine loss in the basal …

The indirect pathway of the basal ganglia promotes transient punishment but not motor suppression

BR Isett, KP Nguyen, JC Schwenk, JR Yurek… - Neuron, 2023 - cell.com
Optogenetic stimulation of Adora2a receptor-expressing spiny projection neurons (A2A-
SPNs) in the striatum drives locomotor suppression and transient punishment, results …

[PDF][PDF] A disynaptic circuit in the globus pallidus controls locomotion inhibition

A Aristieta, M Barresi, SA Lindi, G Barriere, G Courtand… - Current Biology, 2021 - cell.com
The basal ganglia (BG) inhibit movements through two independent circuits: the striatal
neuron-indirect and the subthalamic nucleus-hyperdirect pathways. These pathways exert …

Divergent pallidal pathways underlying distinct Parkinsonian behavioral deficits

V Lilascharoen, EHJ Wang, N Do, SC Pate… - Nature …, 2021 - nature.com
The basal ganglia regulate a wide range of behaviors, including motor control and cognitive
functions, and are profoundly affected in Parkinson's disease (PD). However, the functional …

The external globus pallidus: progress and perspectives

DJ Hegeman, ES Hong… - European Journal of …, 2016 - Wiley Online Library
The external globus pallidus (GP e) of the basal ganglia is in a unique and powerful position
to influence processing of motor information by virtue of its widespread projections to all …

[PDF][PDF] Functional dissection of basal ganglia inhibitory inputs onto substantia nigra dopaminergic neurons

RC Evans, EL Twedell, M Zhu, J Ascencio, R Zhang… - Cell reports, 2020 - cell.com
Substantia nigra (SNc) dopaminergic neurons respond to aversive stimuli with inhibitory
pauses in firing followed by transient rebound activation. We tested integration of inhibitory …

External globus pallidus input to the dorsal striatum regulates habitual seeking behavior in male mice

M Baker, S Kang, SI Hong, M Song, MA Yang… - Nature …, 2023 - nature.com
The external globus pallidus (GPe) coordinates action-selection through GABAergic
projections throughout the basal ganglia. GPe arkypallidal (arky) neurons project exclusively …

[PDF][PDF] hESC-derived dopaminergic transplants integrate into basal ganglia circuitry in a preclinical model of Parkinson's disease

AF Adler, T Cardoso, S Nolbrant, B Mattsson… - Cell reports, 2019 - cell.com
Cell replacement is currently being explored as a therapeutic approach for
neurodegenerative disease. Using stem cells as a source, transplantable progenitors can …

Differential inputs to striatal cholinergic and parvalbumin interneurons imply functional distinctions

JR Klug, MD Engelhardt, CN Cadman, H Li, JB Smith… - Elife, 2018 - elifesciences.org
Striatal cholinergic (ChAT) and parvalbumin (PV) interneurons exert powerful influences on
striatal function in health and disease, yet little is known about the organization of their …