An Electroencephalograph (EEG) Is Recording Alyssa's Brain Activity

question 63

Multiple Choice

An electroencephalograph (EEG) is recording Alyssa's brain activity. She has just entered stage 1 sleep when there is a sudden, loud crash in the sleep lab. Which of the following is most likely?

• A)The EEG will temporarily show a flat line before returning to theta waves.
• B)There will be a sleep spindle recorded on the EEG at the time of the crash.
• C)The crash will wake Alyssa from her relatively light sleep.
• D)The noise of the crash will be incorporated into the dream Alyssa is currently experiencing.

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Definitions:

Sensation Strength

The intensity level at which a stimulus is perceived, influenced by physical properties and individual sensitivity.

Psychological Magnitude

A concept in psychology that refers to the perceived size, amount, or intensity of a psychological attribute.

Weber Fraction

A principle stating that the just noticeable difference between two stimuli is proportional to the magnitude of the stimuli, a fundamental concept in psychophysics.

Stimulus

Anything in the environment that can trigger a physical or behavioral change in an organism.