Vigorous activity in the thalamus of schizophrenia patients has been found to be associated with:

can you show the map , i'll be able to update my answer

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.

the answer to your question is,

old stone age.

-mabel < 3