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Neurophysiology- Neurones
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Created by
Lucy Davies-Payne
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Cards (19)
What role does ionic balance play in neuronal cells?
It maintains
excitability
and generates
potentials
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What cellular mechanisms are involved in synaptic transmission?
Release of
neurotransmitters
between
neurons
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What is the hierarchical process of neuronal signaling?
From
single
cell
to
neuronal
networks
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What are the two main types of neuronal cells?
Neurones
: conduct
impulses
and process
information
Glia: support
functions
and
immune
regulation
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What is the basic unit of structure and function in the nervous system?
Neurones
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What do neurones do with environmental changes?
They sense and
communicate
changes
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What is the energy requirement of neurones?
High energy usage, needs
glucose
and
oxygen
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What are dendrites responsible for?
Receiving messages from other
neurones
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What do axons provide for neurones?
Output through a single
extension
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How can neurones be classified?
By
function
,
location
,
morphology
,
neurotransmitter
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What do motor neurones do?
Carry impulses away from the
brain
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What do sensory neurones do?
Carry
impulses
to the
brain
and
spinal cord
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What is the function of relay neurones?
Process
incoming
impulses and pass them on
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What is membrane excitability in neurophysiology?
Ability of
neuronal membranes
to generate
action potentials
Influenced by
ionic balance
and membrane potential
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What are the types of synaptic transmission?
Electrical synapse
: direct current flow
Chemical synapse
:
neurotransmitter
release
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What is the purpose of an electroencephalogram (EEG)?
To record
neuronal
activity in networks
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How are sub-dermal electrodes used in EEG?
Placed at
specific
locations on the skull
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What does local field potential (LFP) measure?
The underlying
ionic environment
and activity
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What are the recommended resources for further reading?
Cunningham et al. Textbook of Veterinary Physiology,
Chapter 15
Lifelines
Neuro
website
American Kennel Club Epilepsy Resource
View source
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