Define Motion Artifacts?

1.	Define Motion Artifacts?
Answer» ARTIFACTS are SPURIOUS ECHOES which masquerade as REAL echoes. These are artificial echoes which appear on the SCREEN. Artifacts are spurious echoes which masquerade as real echoes. These are artificial echoes which appear on the screen.

Answer»

ARTIFACTS are SPURIOUS ECHOES which masquerade as REAL echoes. These are artificial echoes which appear on the SCREEN.

Artifacts are spurious echoes which masquerade as real echoes. These are artificial echoes which appear on the screen.

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