Freud did extensive research on memory. He used nonsense syllables to determine forgetting curves. (true/false) When she was 16 years old, Sarah was severely injured in a car accident and was...

Freud did extensive research on memory. He used nonsense syllables to

determine forgetting curves. (true/false)

When she was 16 years old, Sarah was severely injured in a car accident

and was unconscious for 14 days. She can remember nothing immediately preceding the accident. This is known as __________ amnesia.

a. trauma b. retroactive

c. proactive d. retrograde