Why Do So Many Adolescents Experience a Phase Delay in Their

question 18

Multiple Choice

Why do so many adolescents experience a phase delay in their circadian rhythm?

• A) because they are less attuned to dawn and sunset than those of other ages
• B) because their activity tends to be greater at night than during the day
• C) because puberty brings a delay in cortisol and melatonin secretion
• D) because their amygdala is finally becoming fully formed

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Definitions:

Bipolar Cells

A type of neuron found in the retina that serves as a relay between photoreceptors (rods and cones) and ganglion cells.

Rods

Photoreceptor cells in the retina of the eye that are highly sensitive to low levels of light, enabling night and peripheral vision.

Intensity

The degree of strength, force, energy, or feeling in a given situation or with respect to a particular attribute.

Wavelength

The distance between successive peaks of a wave, typically used in the context of electromagnetic waves.