People with schzophrenia often show poor performance on tasks like the wisconsin card sorting task or other tasks of executive functioning, which is thought to indicate a dysfunction of the

The answer for that would be the frontal lobe. 

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport