Which neurological measurement technology has revolutionized retail consumer behavior analysis by allowing researchers to measure unconscious reactions to products and store layouts?

In today's rapidly evolving retail landscape, scientific innovations are transforming how businesses operate and understand consumer behavior. Advanced technologies like machine learning, IoT sensors, and biometric analysis are creating unprecedented opportunities for retailers to optimize operations and enhance customer experiences. This trivia question explores a fascinating technological advancement that has significantly impacted retail analytics and customer understanding.

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Electroencephalography (EEG), which measures electrical activity in the brain to analyze emotional responses to products
Magnetic Resonance Spectroscopy (MRS), which measures metabolite concentrations in brain tissue during shopping decisions
Transcranial Magnetic Stimulation (TMS), which temporarily disrupts neural activity to isolate purchasing impulses
Positron Emission Tomography (PET), which tracks glucose metabolism in the brain during product selection processes