Which of the following is not a method used to record the brain’s neural, metabolic andsynaptic activity or to stimulate neuronal activity?A) Functional MRI (fMRI)B) Di usion tensor imaging (DTI)C) Magnetoencephalography (MEG)D) Positron emission imaging (PET)E) Optogenetic methods
Question
Which of the following is not a method used to record the brain’s neural, metabolic andsynaptic activity or to stimulate neuronal activity?A) Functional MRI (fMRI)B) Di�usion tensor imaging (DTI)C) Magnetoencephalography (MEG)D) Positron emission imaging (PET)E) Optogenetic methods
Solution
The answer is B) Diffusion tensor imaging (DTI). While DTI is a type of MRI that is used to measure the diffusion of water molecules in the brain, it does not directly record the brain's neural, metabolic, and synaptic activity or stimulate neuronal activity. Instead, it is primarily used to visualize white matter tracts in the brain, as it can provide information about the orientation and integrity of these tracts.
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