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One Attempt to Use Physiological Measurement of an Emotion for a Practical

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Essay

One attempt to use physiological measurement of an emotion for a practical purpose is the polygraph, or lie-detector test. Describe how a polygraph is supposed to work. Explain one limitation in the efficacy of the polygraph test and how polygraph users have attempted to address this limitation.


Definitions:

Lymphatic Tissue

A part of the immune system composed of a network of lymphoid organs and tissues that protect the body from pathogens.

Lymphocytes

A type of white blood cell essential for the immune system, involved in protecting the body against both infectious disease and foreign invaders.

Lingual Tonsils

A collection of lymphatic tissue located at the base of the tongue, part of the immune defense system.

Pharyngeal Tonsils

Also known as adenoids, lymphoid tissue located in the upper part of the throat behind the nose that helps defend against ingested or inhaled pathogens.

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