Hartley believed that vibrations in the brain continued after the external stimulation that caused them had ceased. He called these lingering vibrations:

michael joseph jackson was an american singer, songwriter, and dancer. dubbed the "king of pop", he is widely regarded as one of the most significant cultural figures of the 20th century and one of the greatest entertainers of all time.

brainliest

answer; english speaking;

answer; ( elites );

answer; night terrors;