Choose any 2 of the following 3 brain areas. Describe their hypothesized function in speech motor control based on the functional neuroimaging (fMRI) data A. Left inferior frontal sulcus (left prefrontal cortex) B. Basal ganglia (bilateral subcortical nuclei)
Choose any 2 of the following 3 brain areas. Describe their hypothesized function in speech motor control based on the functional neuroimaging (fMRI) data A. Left inferior frontal sulcus (left prefrontal cortex) B. Basal ganglia (bilateral subcortical nuclei)
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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Question
Choose any 2 of the following 3 brain areas. Describe their hypothesized function in speech motor control based on the functional neuroimaging (fMRI) data
A. Left inferior frontal sulcus (left prefrontal cortex)
B. Basal ganglia (bilateral subcortical nuclei)
C. Primary auditory cortex (bilateral temporal lobes)
Transcribed Image Text:BOLD signal change (a.u.)
0.5
fMRI Methods:
Spatial and Temporal Resolution
Hemodynamic Response Function
BOLD response to a brief stimulus
initial dip
5
main response
undershoot
10
time (seconds)
Temporal resolution of 3-4 sec
15
20
25
Spatial resolution of ~.025 cm³
Expert Solution
Step 1 Introduction
fMri stands for functional magnetic resonance imaging. It is a technique that allows researchers to visualise the brain in action and map the changes in brain activity that occur during different tasks. It measures the blood oxygen level dependent signal, which is used as an indirect measure of brain activity.
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