Shane is terrified of snakes. as he is walking down the street, he sees a stick that looks somewhat like a snake. he is immediately frightened, even though he knows what he sees is only a stick. an area of the brain called the is responsible for shane's reaction.

Amygdala

Explanation:

The amygdala which under its Latin terminology is known as the corpus amygdaloideum, is referred to as an sets of neurons shaped as almonds and are located deep within brain's temporal lobe(medial).  It is known to play a vital part in processing of emotions, amygdala usually forms components of limbic system.  In animals and humans, the sub-cortical brain is mostly connected to pleasure and fear responses.

they encountered severe weather for which they were poorly prepared.