Studies Measuring Electrical Signals Caused by Brain Activity or Facial

question 34

Multiple Choice

Studies measuring electrical signals caused by brain activity or facial muscle movement have found that people can detect and respond to emotional stimuli in less than second(s) .

• A) 50 milliseconds, or 1/20^th of a
• B) 500 milliseconds, or 1/2 of a
• C) 1
• D) 2

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Definitions:

Gram

A unit of measurement for mass that is exactly one thousandth part of a kilogram.

Basic Unit

The fundamental, smallest, or simplest quantity or component in a system or set of measurements often used as a standard of measurement.

Metric System

A measurement system that uses the meter for length, liter for volume, and gram for weight or mass, all based on decimal calculations.

Ml

Milliliter, a unit of volume in the metric system equal to one thousandth of a liter.