The patients underwent single-photon emission computed tomography (SPECT) before and after immunization.

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The subjects were scanned using SPECT (single photon emission computed tomography) to highlight the areas of the brain that are active and inactive during the practice.

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In addition, Techniques like Positron Emission Tomography (PET), Single Photon Emission Computed Tomography (SPECT), and Magnetic Resonance Imaging (MRI) are going to unravel the mystery of the neuron jungle.

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