Hypnosis is a complex psychological state that can significantly impact an individual's cognitive functions. Research indicates that certain individuals exhibit a phenomenon known as 'hypnotic susceptibility,' which refers to the degree to which they are responsive to hypnotic suggestions. One theory proposes that this trait may be linked to specific neural mechanisms in the brain, particularly those involved in attention and executive control. Consider the statement below about hypnotic susceptibility:
"Hypnotic susceptibility is primarily determined by both personality traits and environmental factors, leading to significant variability among individuals in their response to hypnosis." Based on this statement, which of the following responses best describes a critical factor in understanding variations in hypnotic susceptibility?