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Last updated 1:13 AM on 3/17/25
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15 Terms

1
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What is the primary purpose of Magnetic Resonance Imaging (MRI) in brain studies?
To create detailed images of the brain's structure and identify abnormalities.
2
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How does an MRI machine create images of the brain?
It uses powerful magnets and radio waves to align and stimulate protons in the body, then detects the energy released as they realign.
3
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What is required from a participant during an MRI scan?
The participant must remain very still.
4
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Which part of the brain was the focus of the Maguire et al. (2000) study?
The hippocampus.
5
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What was the aim of the Maguire et al. (2000) study?
To investigate differences in the size and structure of the hippocampus between taxi drivers and non-taxi drivers.
6
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How many taxi drivers participated in the Maguire et al. (2000) study?
16 right-handed, healthy male taxi drivers.
7
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What type of control group was used in the Maguire et al. (2000) study?
50 similar non-taxi drivers.
8
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What technique was used to analyze the MRI images in the Maguire et al. (2000) study?
Voxel-based morphometry.
9
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What significant structural difference was found in the hippocampi of taxi drivers compared to non-taxi drivers?
The posterior hippocampus was significantly larger and the anterior hippocampus was significantly smaller in taxi drivers.
10
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What do the results of the Maguire et al. (2000) study demonstrate about the brain?
They demonstrate neuroplasticity, showing structural differences based on experiences.
11
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What kind of changes can MRIs help identify in brain studies?
They can help identify increases and decreases in gray matter and brain damage.
12
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What is the main advantage of using non-invasive techniques like MRI?
They allow for safe and detailed observation of brain structure without surgery.
13
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What two-dimensional images are produced during an MRI scan?
2D sliced images of the brain.
14
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What do the detected energies during an MRI scan depend on?
They depend on the tissue type due to differing hydrogen concentrations.
15
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Why is the study of structural differences in the brain important?
It helps in understanding the effects of differing experiences, environments, and behaviors on brain development.