Greg, Peter, and Bobby were working outside on their bikes w…

Greg, Peter, and Bobby were working outside on their bikes when their father, Mike, accidentally slipped on some axle grease and pulled the trigger of the nail gun he was carrying several times as he fell. All four survived, but Bobby’s hippocampus, Peter’s amygdala, Greg’s basal ganglia, and Mike’s hypothalamus were destroyed. Who will no longer be able to dance?