Which Type of Subliminal Influence Has Been Shown to Work

question 160

Multiple Choice

Which type of subliminal influence has been shown to work, but only in controlled laboratory settings, not in commercial settings?

• A) reverse speech
• B) embedded images
• C) subliminal self-help messages
• D) subliminal priming

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Definitions:

Sleep Duration

The amount of time spent in various stages of sleep during a typical sleep cycle, including both REM and non-REM sleep.

N2 Sleep

A stage of sleep characterized by sleep spindles and K-complexes, marking a deeper sleep than N1 and preceding the deeper states of N3 and REM sleep.

REM Sleep

A unique phase of sleep in mammals and birds, characterized by rapid movement of the eyes, low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.

Sleep Spindles

Bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of NREM sleep, believed to play a role in learning and memory consolidation.