Het brein in beeld - Single-cell Recording
4 important questions on Het brein in beeld - Single-cell Recording
How are single-cell recordings obtained?
They can be obtained by implanting a very small electrode either into the neuron itself (intracellular recordings) or outside the membrane (extracellular recordings) and counting the number of times that an action potential is produced in response to a given stimulus. = invasive method
What is multi-cell (multi-unit) recordings?
What are the three different types of representation that may be found at the neural level?
2. Fully distributed representation: all information in about a stimulus is carried in all the neurons of a given population
3. Sparse distributed representation: a small proportion of the neurons carry information about a stimulus.
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What are the two types of representing information about stimuli on a neural level?
2. Temporal coding: stimulus information is associated with greater synchronization of firing across different neurons
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