8.9 Monkey calls. The usual way to study the brain's response to sounds is to have subjects listen to “pure tones." The response to recognizable sounds may differ. To compare responses, researchers anesthetized macaque monkeys. They fed pure tones and also monkey calls directly into their brains by inserting electrodes. Response to the stimulus was measured by the firing rate (electrical spikes per second) of neurons in various areas of the brain. Table 8.3 contains the responses for 37 neurons.
8.9 Monkey calls. The usual way to study the brain's response to sounds is to have subjects listen to “pure tones." The response to recognizable sounds may differ. To compare responses, researchers anesthetized macaque monkeys. They fed pure tones and also monkey calls directly into their brains by inserting electrodes. Response to the stimulus was measured by the firing rate (electrical spikes per second) of neurons in various areas of the brain. Table 8.3 contains the responses for 37 neurons.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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- Plot and describe the distribution of neuronal responses to a pure tone. Provide an appropriate numerical summary. If there are outliers, also obtain the summary statistics omitting them and discuss their influence.
- Plot and describe the distribution of neuronal responses to a monkey call. Provide an appropriate numerical summary. If there are outliers, also obtain the summary statistics omitting them and discuss their influence.
- In what percent of the 37 neurons examined is the response to monkey calls stronger than the response to pure tones?
- Is there a relationship between neuronal tone response and call response? Make a
scatterplot using pure-tone response for the horizontal axis. Describe this relationship and, if appropriate, provide a measure of its strength.
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