What is the difference between the average brain and the procrastinator's brain?

People with poor action control, the procrastinators, had a larger amygdala on average. The amygdala is the region of the brain associated with controlling emotions like fear. It's also where the fight or flight response is initiated.

Explanation:

Procrastinators tend to be state-oriented. They have higher amygdala volume, leading to higher levels of fear and hesitation. In addition, the dorsal anterior cingulate cortex of state-oriented individuals fails to regulate the amygdala adequately. In terms of weight, the average adult human brain weighs in at 1300 to 1400 grams or around 3 pounds. In terms of length, the average brain is around 15 centimeters long.

Explanation:

the brain is plastic and changes with experience. For comparison, a newborn human baby's brain weighs approximately 350 to 400 grams or three-quarters of a pound.

it is revealed by her ability to do what she needs to do

o'henry used irony in "the gift of the magi". this tool was essential to developing the story's theme by showing that the couple bought gifts for each other that they could not actually use at the moment. in addition, the author used this fact to show that people of the society should treasure the things they've received from others, because you may never know if they sacrificed their most treasured possession to aquire the gift.