Some studies have found that increases in dopamine activity are associated with increased reward-seeking motivation. this finding suggests an association between dopamine levels and which type of learning?

Operant conditioning.

Explanation:

Operant conditioning may be defined as a type of learning process in which the behavior strength can modify the punishment or reinforcement. The stimuli is important to modify the outcome of the experiment.

The high level of dopamine increases is associated with reward-seeking motivation. The level of dopamine associates with the operant condition of learning.

Thus, the answer is operant conditioning.