The M-stream is believed to be involved in the processing of "fast" phenomena--for example, motion of objects in the visual field and coordination of eye movements, while the P-stream is thought to be involved in object and colour detection--cognitive processing of texture, shape and orientation.
(The M-stream; is believed; ) (The M-stream; to be involved; in the processing of "fast" phenomena) (the P-stream; to be involved; in object and colour detection)
The M-stream The M-stream the P-stream
is believed to be involved to be involved
in the processing of "fast" phenomena
in object and colour detection