Sensory and motor neurons of the nervous system are associated with activities traditionally thought as conscious or voluntary.?

This statement is not entirely accurate. While many sensory and motor neurons are involved in conscious and voluntary actions, there are significant portions of the nervous system that function without conscious awareness or voluntary control. These include:

Autonomic Nervous System: The autonomic nervous system controls involuntary functions such as heart rate, digestion, and breathing.

Reflex Arcs: Reflexes are automatic responses to stimuli that do not involve conscious thought, such as the knee-jerk reflex.

Motor Programs: Motor programs are pre-planned sequences of movements that can be carried out without conscious control, such as walking or riding a bike.

Basal Ganglia and Cerebellum: These brain structures are involved in coordinating movement and balance, operating largely at a subconscious level.

Therefore, while many sensory and motor neurons participate in conscious and voluntary actions, the nervous system also encompasses numerous processes that occur without direct conscious control.