The Greater the Polyglutamine Expansion in the Huntingtin Gene (Greater

question 53

True/False

The greater the polyglutamine expansion in the huntingtin gene (greater than 35 CAG trinucleotide repeats),the greater the chance for developing Huntington disease.

---

Definitions:

Retroactive Interference

Retroactive interference is a memory phenomenon where newer information interferes with the recall of older information.

Proactive Interference

the cognitive phenomenon where older memories interfere with the recall of newer memories.

Anterograde Amnesia

The inability to form new memories following the onset of an amnesia-causing event, though long-term memories from before the event may remain intact.

Decay Theory

Suggests that memory fades and loses detail over time if not actively maintained or revisited.