Pattern recognition is more complex when templates are used to generate variants. For example, in [[English]], sentences often follow the "N-VP" (noun - verb phrase) pattern, but some knowledge of the [[English]] language is required to detect the pattern. Computer science, ethology, and psychology are fields which study patterns. | Pattern recognition is more complex when templates are used to generate variants. For example, in [[English]], sentences often follow the "N-VP" (noun - verb phrase) pattern, but some knowledge of the [[English]] language is required to detect the pattern. Computer science, ethology, and psychology are fields which study patterns. |