Which of These Physiological Cycles Exemplifies a Circadian Rhythm

question 69

Multiple Choice

Which of these physiological cycles exemplifies a circadian rhythm?

• A)body temperature variations
• B)the sleep-wake cycle
• C)Both of these are circadian rhythms.
• D)Neither of these is a circadian rhythm.

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Definitions:

Subliminal Perception

The processing of information by sensory systems without conscious awareness of the stimuli.

Sensory Threshold

The minimum level of intensity from a stimulus that is detected by a sense organ, marking the boundary between non-detectable and detectable sensations.

Stimuli

External factors or signals that provoke a response from a sensory system or organism.

Backward Messages

Reversed audio or visual stimuli that are claimed to be perceptible and meaningful when experienced in a normal forward mode, often discussed in the context of subliminal messages.