Which Statement Best Describes the Basis of Sensory Adaptation

Multiple Choice

Which statement best describes the basis of sensory adaptation?

A) A continuously stimulated sensory receptor triggers fewer action potentials, so stimuli sent to the brain decrease and awareness of the stimuli is diminished.
B) The nerve fiber synapsed with a sensory receptor gradually returns to its baseline level of firing despite continued neurotransmitter stimulation.
C) The spinal cord interneurons that receive a prolonged stimulus gradually come to ignore it.
D) The thalamic centers that receive a prolonged stimulus gradually come to ignore it.