Juan Is Afraid of Snakes,like Many Other People

Juan is afraid of snakes,like many other people.Which of the following is likely to best describe how his brain responds when he first sees a snake?

A) Sensory input from the snake is processed only by the cortex.
B) The sensory input from the snake is first processed by the cortex,which makes a rational interpretation of the danger,then the information is passed on to the limbic system to produce a fear reaction.
C) Sensory input from the snake is processed only by the lower structures of the limbic system.
D) The lower limbic structures like the amygdala can process the sensory input from the snake and trigger a physical reaction to the feared stimulus before the input is processed at a more rational level by the cortex.