User profiles for Hiroyoshi Miyakawa
Hiroyoshi MiyakawaTokyo University of Pharmacy and Life Sciences Verified email at toyaku.ac.jp Cited by 5455 |
Effects of uniform extracellular DC electric fields on excitability in rat hippocampal slices in vitro
…, JK Deans, JE Fox, H Miyakawa… - The Journal of …, 2004 - Wiley Online Library
The effects of uniform steady state (DC) extracellular electric fields on neuronal excitability
were characterized in rat hippocampal slices using field, intracellular and voltage‐sensitive …
were characterized in rat hippocampal slices using field, intracellular and voltage‐sensitive …
The spread of Na+ spikes determines the pattern of dendritic Ca2+ entry into hippocampal neurons
…, D Johnston, N Lasser-Ross, JE Lisman, H Miyakawa… - Nature, 1992 - nature.com
THE dendrites of many types of neurons contain voltage-dependent Na + and Ca 2+
conductances that generate action potentials (see ref. 1 for review). The function of these spikes is …
conductances that generate action potentials (see ref. 1 for review). The function of these spikes is …
Reversal of long-term potentiation (depotentiation) induced by tetanus stimulation of the input to CA1 neurons of guinea pig hippocampal slices
S Fujii, K Saito, H Miyakawa, K Ito, H Kato - Brain research, 1991 - Elsevier
The reduction of the long-term potentiated response induced by tetanus (depontentiation (DP)
of LTP) was investigated by the delivery of a train of low-frequency afferent stimuli (…
of LTP) was investigated by the delivery of a train of low-frequency afferent stimuli (…
Calcium transients evoked by climbing fiber and parallel fiber synaptic inputs in guinea pig cerebellar Purkinje neurons
H Miyakawa, V Lev-Ram… - Journal of …, 1992 - journals.physiology.org
1. Calcium transients related to climbing fiber (CF) and parallel fiber (PF) synaptic potentials
were recorded from Purkinje cells in guinea pig cerebellar slices. Transients were …
were recorded from Purkinje cells in guinea pig cerebellar slices. Transients were …
Detecting cells using non-negative matrix factorization on calcium imaging data
…, K Maeda, H Moroda, I Kato, M Inoue, H Miyakawa… - Neural Networks, 2014 - Elsevier
We propose a cell detection algorithm using non-negative matrix factorization (NMF) on Ca
2+ imaging data. To apply NMF to Ca 2+ imaging data, we use the bleaching line of the …
2+ imaging data. To apply NMF to Ca 2+ imaging data, we use the bleaching line of the …
Different Ca2+ channels in soma and dendrites of hippocampal pyramidal neurons mediate spike-induced Ca2+ influx
…, LS Eliot, KI Ito, H Miyakawa… - Journal of …, 1995 - journals.physiology.org
1. Intracellular recordings, in conjunction with fura-2 fluorescence imaging, were used to
evaluate the contribution of the different Ca2+ channel subtypes to the Ca2+ influx induced by …
evaluate the contribution of the different Ca2+ channel subtypes to the Ca2+ influx induced by …
Synaptically activated increases in Ca2+ concentration in hippocampal CA1 pyramidal cells are primarily due to voltage-gated Ca2+ channels
H Miyakawa, WN Ross, D Jaffe, JC Callaway… - Neuron, 1992 - cell.com
Changes in intracellular Caz+ concentration ([Ca*+] J in the soma and dendrites of hippocampal
CA1 pyramidal neurons were measured using intracellularly injected fura-2. A large …
CA1 pyramidal neurons were measured using intracellularly injected fura-2. A large …
Calcium transients in cerebellar Purkinje neurons evoked by intracellular stimulation
V Lev-Ram, H Miyakawa… - Journal of …, 1992 - journals.physiology.org
1. Purkinje cells in thin slices from the guinea pig cerebellum were injected with fura-2 and
high-speed sequences of fluorescence images from the cell body and entire dendritic tree …
high-speed sequences of fluorescence images from the cell body and entire dendritic tree …
Pitfalls in the dipolar model for the neocortical EEG sources
…, H Nonaka, A Evans, H Miyakawa… - Journal of …, 2012 - journals.physiology.org
For about six decades, primary current sources of the electroencephalogram (EEG) have
been assumed dipolar in nature. In this study, we used electrophysiological recordings from …
been assumed dipolar in nature. In this study, we used electrophysiological recordings from …
A model for dendritic Ca2+ accumulation in hippocampal pyramidal neurons based on fluorescence imaging measurements
…, N Lasser-Ross, H Miyakawa… - Journal of …, 1994 - journals.physiology.org
1. High-speed fluorescence imaging was used to measure intracellular Ca2+ concentration ([Ca2+]i)
changes in hippocampal neurons injected with the Ca(2+)-sensitive indicator fura-2 …
changes in hippocampal neurons injected with the Ca(2+)-sensitive indicator fura-2 …