Neural ensembles: role of intrinsic excitability and its plasticity

C Hansel, R Yuste - Frontiers in Cellular Neuroscience, 2024 - frontiersin.org
Synaptic connectivity defines groups of neurons that engage in correlated activity during
specific functional tasks. These co-active groups of neurons form ensembles, the operational …

Acute cerebellar inflammation and related ataxia: mechanisms and pathophysiology

MSA Parvez, G Ohtsuki - Brain sciences, 2022 - mdpi.com
The cerebellum governs motor coordination and motor learning. Infection with external
microorganisms, such as viruses, bacteria, and fungi, induces the release and production of …

Microglia-triggered plasticity of intrinsic excitability modulates psychomotor behaviors in acute cerebellar inflammation

M Yamamoto, M Kim, H Imai, Y Itakura, G Ohtsuki - Cell reports, 2019 - cell.com
Cerebellar dysfunction relates to various psychiatric disorders, including autism spectrum
and depressive disorders. However, the physiological aspect is less advanced. Here, we …

SK2 channels in cerebellar Purkinje cells contribute to excitability modulation in motor-learning–specific memory traces

G Grasselli, HJ Boele, HK Titley, N Bradford… - PLoS …, 2020 - journals.plos.org
Neurons store information by changing synaptic input weights. In addition, they can adjust
their membrane excitability to alter spike output. Here, we demonstrate a role of such …

Intrinsic and synaptic determinants of receptive field plasticity in Purkinje cells of the mouse cerebellum

TF Lin, SE Busch, C Hansel - Nature Communications, 2024 - nature.com
Non-synaptic (intrinsic) plasticity of membrane excitability contributes to aspects of memory
formation, but it remains unclear whether it merely facilitates synaptic long-term potentiation …

Intrinsic excitability increase in cerebellar Purkinje cells after delay eye-blink conditioning in mice

HK Titley, GV Watkins, C Lin, C Weiss… - Journal of …, 2020 - Soc Neuroscience
Cerebellar-based learning is thought to rely on synaptic plasticity, particularly at synaptic
inputs to Purkinje cells. Recently, however, other complementary mechanisms have been …

Protein kinase Cγ in cerebellar Purkinje cells regulates Ca2+-activated large-conductance K+ channels and motor coordination

M Watanave, N Takahashi, N Hosoi… - Proceedings of the …, 2022 - National Acad Sciences
The cerebellum, the site where protein kinase C (PKC) was first discovered, contains the
highest amount of PKC in the central nervous system, with PKCγ being the major isoform …

Hyperactivity of Purkinje cell and motor deficits in C9orf72 knockout mice

Y Liu, H Xing, AF Ernst, C Liu, C Maugee… - Molecular and Cellular …, 2022 - Elsevier
A hexanucleotide (GGGGCC) repeat expansion in the first intron of the C9ORF72 gene is
the most frequently reported genetic cause of amyotrophic lateral sclerosis (ALS) and …

The contribution of ion channels in input-output plasticity

D Debanne, M Russier - Neurobiology of learning and memory, 2019 - Elsevier
Persistent changes that occur in brain circuits are classically thought to be mediated by long-
term modifications in synaptic efficacy. Yet, many studies have shown that voltage-gated ion …

Complex spike clusters and false‐positive rejection in a cerebellar supervised learning rule

HK Titley, M Kislin, DH Simmons… - The Journal of …, 2019 - Wiley Online Library
Key points Spike doublets comprise∼ 10% of in vivo complex spike events under
spontaneous conditions and∼ 20%(up to 50%) under evoked conditions. Under near …