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A psychogalvanometer is a device used to measure changes in the electrical conductivity of the skin, which can be indicative of emotional or psychological states. It detects subtle fluctuations in sweat gland activity, reflecting the physiological responses associated with cognitive processes and emotional arousal. The combination of the brain emoji 🧠, lightning bolt emoji ⚡️, and light bulb emoji 💡 represents the connection between the mind, the rapid electrical signals involved in neural activity, and the insightful understanding that can be gained through psychogalvanometry.
#thought #electromagnetic #cognition
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