A Researcher Notes That 9-Month-Old Sebastian Is Watching a Picture

Multiple Choice

A researcher notes that 9-month-old Sebastian is watching a picture and his heart rate has steadily slowed down from when the stimulus was first presented. What is the researcher's mostly likely interpretation?

A) Sebastian is processing the stimulus and is in the sustained attention phase.
B) Sebastian is transitioning to an attention termination phase.
C) Sebastian has detected a stimulus and is entering the orientation phase.
D) Sebastian has detected a stimulus and has entered the automatic response phase.
E) Sebastian is no longer processing the stimulus and is blank-staring at the stimulus.