Warren and Hannon Showed That Observers Could Judge Their Direction

question 35

Multiple Choice

Warren and Hannon showed that observers could judge their direction of heading with an accuracy of <2 degrees from:

• A) Successive fixations
• B) The change in binocular disparity
• C) Optic flow
• D) Motion parallax

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Definitions:

Substance P

A neuropeptide involved in the transmission of pain and other sensory signals to the brain, also implicated in inflammatory processes and mood regulation.

Capsaicin

A chemical compound found in chili peppers that is responsible for their spicy heat, often used in topical creams for pain relief.

Endorphin

Natural, pain-relieving chemicals produced by the brain, often associated with feelings of euphoria and well-being, commonly released during exercise, stress, and pain.

Histamine

A compound released by the immune system during allergic reactions and inflammation, causing symptoms like itching and swelling.