Mechanism of physiological thalamocortical rhythms. (360G-Wellcome-091882_Z_10_Z)
The aim of this project is to understand the cellular, synaptic and network rules that govern thalamic physiology, and how they coalesce within cortico-thalamo-cortical modules to bring about EEG rhythms of different vigilance states. We will use a multidisciplinary approach that includes somatic single and paired recordings as well as somato-dendritic calcium imaging in vitro, intracellular recordings in vivo, and large neuronal ensemble recordings in freely moving, naturally waking-sleeping an imals. Specifically, we will determine: 1 - the cell-specificity of the firing dynamics of thalamocortical neurons and the physiology and pharmacology of intranuclear thalamic synapses; 2 - the dendritic mechanisms underlying the integration of sensory and cortical signals in thalamocortical neurons; 3 - the input-specificity, modulation by thalamic transmitters and physiological role of the tonic GABAA receptor-mediated inhibition of thalamocortical neurons; 4 - the spatio-temporal firing dynamics of simultaneously recorded large thalamic and cortical populations during two behaviourally significant EEG waves: the alpha rhythm and the slow ( < 1Hz) sleep rhythm. By establishing a full mechanistic picture of thalamic computation during different behavioural states, this study will further our knowledge of subcortical sensory processing and higher frequency cortico-thalamic network rhythms, and thus help our understanding of thalamic alterations in neurological disorders.
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Grant Details
Amount Awarded | 1462677 |
Applicant Surname | Crunelli |
Approval Committee | Neurosciences And Mental Health |
Award Date | 2010-07-01T00:00:00+00:00 |
Financial Year | 2009/10 |
Grant Programme: Title | Programme Grant |
Internal ID | 091882/Z/10/Z |
Lead Applicant | Prof Vincenzo Crunelli |
Partnership Value | 1462677 |
Planned Dates: End Date | 2015-07-31T00:00:00+00:00 |
Planned Dates: Start Date | 2010-08-01T00:00:00+00:00 |
Recipient Org: Country | United Kingdom |
Region | Wales |