Which model suggests that semantic memory networks consist of a group of concepts, which are composed of units and corresponding properties and are lined by a series of nodes?

Drugs that increase long-term potentiation tend to

a. cause retrograde amnesia. b. cause anterograde amnesia. c. enhance overall memory. d. decrease overall memory.

Jay was severely injured last year in a building fire that resulted in multiple fatalities. Periodically, Jay will have such vivid memories of the fire that he believes the event is occurring at that moment. Which term best describes what happens to Jay?

A. Flashback B. Compulsion C. Obsession D. Panic attack