Final Answer:
Motion is primarily processed in the extrastriate region of the occipital lobe known as MT (Middle Temporal) area. Thus, the correct answer is d) MT.
Step-by-step explanation:
The MT area, located within the extrastriate cortex of the occipital lobe, is recognized as a crucial region involved in processing visual motion. While the primary visual cortex (V1) initially receives visual information, the processing of motion extends beyond this area to higher-level visual regions, particularly the MT area.
MT neurons exhibit selectivity for specific aspects of motion, such as direction, speed, and orientation. They respond to moving stimuli in the visual field and contribute significantly to motion perception. Research using neuroimaging techniques and studies involving patients with specific brain lesions has highlighted the importance of the MT area in perceiving and interpreting motion.
Neural pathways connecting V1 to the MT area form a continuum in processing visual information. Information about basic visual features processed in V1 is further analyzed and refined in the extrastriate cortex, including the MT area, allowing for the perception and understanding of motion cues in the visual environment.
In summary, while V1 is crucial for receiving initial visual inputs, the MT area in the extrastriate cortex plays a pivotal role in the specialized processing of motion information, contributing significantly to our ability to perceive and comprehend movement in the world around us.
Thus, the correct answer is d) MT.