Answer:
Extroverts, introverts
Explanation:
Eysenck explains personality as
a relatively enduring organization of a person's character, temperament, intellect, and physique, which is the determinant factor to his/her unique adjustment to the environment.
Aaccording to Eysenck's inhibition theory, individual differences exhibited in introverts and extraverts have their origins in the
cerebral cortex.
Eysenck argues that the brains of of introverts reacts more strongly and rapidly to stimuli than the brains of extraverts. He maintains that are more susceptible to reactive inhibition than introverts.