Directing Attention to a Visual Stimulus Produces a Positive ERP

question 15

Multiple Choice

Directing attention to a visual stimulus produces a positive ERP waveform called the P1 waveform if participants are

• A)overtly, rather than covertly, directing attention.
• B)selectively attending to the stimulus based on its location.
• C)exogenously (externally) cued rather than endogenously (internally) cued to the stimulus.
• D)shown a different stimulus in each eye.

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Definitions:

Hair Cells

Sensory cells located in the inner ear, responsible for converting sound vibrations into electrical signals for hearing.

External Acoustic Meatus

The external opening of the ear canal, which runs from the outer ear to the eardrum.

Auricle

The outer, visible part of the ear that captures sound waves and directs them into the ear canal.

Hearing

the sense through which sound is perceived, involving the detection of vibrations and their translation by the brain into auditory experiences.