If your ________ was damaged, you might walk oddly and have trouble standing normally

Which of the following mechanisms adjust the sensitivity of postsynaptic receptors to dopamine, norepinephrine or serotonin?

a) second messengers b) antagonists c) neurotransmitters d) nerve impulses

Which model of representational knowledge suggests that items in memory can be stored in association with more than one concept?

A) Set theoretical B) Clustering C) Cognitive neuroscience D) Semantic network