Ken Sasaki

ORCID: 0000-0003-3515-2170
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About
Contact & Profiles
Research Areas
  • Insect and Arachnid Ecology and Behavior
  • Insect and Pesticide Research
  • Plant and animal studies
  • Neurobiology and Insect Physiology Research
  • Neural dynamics and brain function
  • Porphyrin Metabolism and Disorders
  • Algal biology and biofuel production
  • EEG and Brain-Computer Interfaces
  • Motor Control and Adaptation
  • Wastewater Treatment and Nitrogen Removal
  • Photosynthetic Processes and Mechanisms
  • Vestibular and auditory disorders
  • Biofuel production and bioconversion
  • Gastric Cancer Management and Outcomes
  • Phosphorus and nutrient management
  • Porphyrin and Phthalocyanine Chemistry
  • Animal Behavior and Reproduction
  • Visual perception and processing mechanisms
  • X-ray Diffraction in Crystallography
  • Neuroscience and Neuropharmacology Research
  • Crystallization and Solubility Studies
  • Phytase and its Applications
  • Microbial Fuel Cells and Bioremediation
  • Insect Utilization and Effects
  • Enzyme Production and Characterization

Tamagawa University
2016-2025

Kagoshima University
2020-2025

University of Electro-Communications
2025

Keio University
2024

Muroran Institute of Technology
2023

Hiraka General Hospital
2022

Harasanshin Hospital
2022

Hiroshima Kokusai Gakuin University
2008-2019

Kanazawa Institute of Technology
2005-2014

Kanazawa Medical University
2004-2013

1. A single climbing fibre makes an extraordinarily extensive synaptic contact with the dendrites of a Purkinje cell. Investigation this mechanism in cerebellum cat has been based on discovery by Szentagothai & Rajkovits (1959) that fibres have their cells origin contralateral inferior olive.2. Stimulation accessory olive selectively excites powerful excitatory action vermis, evoking repetitive spike discharge 5-7 msec duration. Almost invariably response had all-or-nothing character. In...

10.1113/jphysiol.1966.sp007824 article EN The Journal of Physiology 1966-01-01

The spatial and temporal organization of climbing fibre activation Purkinje cells, the so-called complex spikes, were studied in rat cerebellar Crus II folium utilizing a multiple microeletrode recording technique. As many as 32 cells could be simultaneously recorded by using custom-built electronic amplifier system special data storage device. Analysis auto-correlation activity spikes any given group indicated that occurs with particular rhythmicity having base firing 10 Hz....

10.1111/j.1460-9568.1989.tb00364.x article EN European Journal of Neuroscience 1989-11-01

1. The uniquely powerful excitatory synaptic action of a single climbing fibre on Purkinje cell in the cerebellum cat was tested during intense and prolonged inhibitory produced by parallel fibre, basket stellate system. There depression later spike discharges, but initial discharge never suppressed. 2. With intracellular recording post‐synaptic potential depressed phase (about 10 msec) action, there increase with time course resembling latter part hyperpolarization. An explanation these...

10.1113/jphysiol.1966.sp007825 article EN The Journal of Physiology 1966-01-01

SUMMARY Desert locusts (Schistocerca gregaria) can undergo a profound transformation between solitarious and gregarious forms, which involves widespread changes in behaviour, physiology morphology. This phase change is triggered by the presence or absence of other occurs over timescale ranging from hours, for some behaviours to change, generations,for full morphological transformation. The neuro-hormonal mechanisms that drive accompany either direction remain unknown. We have used...

10.1242/jeb.01183 article EN Journal of Experimental Biology 2004-08-31

In social Hymenoptera with no morphological caste, a dominant female becomes an egg layer, whereas subordinates become sterile helpers. The physiological mechanism that links dominance rank and fecundity is essential part of the emergence females, which reflects primitive phase eusociality. Recent studies suggest brain biogenic amines are correlated ranks in hierarchy. However, actual causality between aminergic systems phenotype (i.e. aggressiveness) largely unknown due to pleiotropic...

10.1242/jeb.118414 article EN Journal of Experimental Biology 2015-02-17

10.1023/a:1005688229783 article EN Biotechnology Letters 2000-01-01
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