Which of the following is an example of anterograde amnesia?

Question

BlackTom AI · Accepted Answer

The question asks: Which of the following is an example of anterograde amnesia?

First, note that the provided data does not include any answer options to evaluate, only a single statement under answer[]. This means we cannot compare multiple choices, but we can still explain the concept and assess the given example.

Understanding anterograde amnesia: it is a memory impairment in which a person has difficulty forming new memories after a neurological event (such as a brain injury, surgery, or aneurysm). Importantly, memories formed before the event typically remain intact, allowing retrieval of past information while new experiences aren’t properly encoded into long-term memory.

Given example assessment: “Angelina had a brain aneurysm. As a result she has difficulty remembering anything after the aneurysm.” This description aligns with anterograde amnesia because the impairment is specifically in forming memories after the event (the aneurysm). It does not explicitly state that past memories are lost, which would suggest retrograde amnesia; the focus is on post-event memory formation.

If options were present, we would expect choices like:
- Anterograde amnesia: difficulty forming new memories after the event, with preserved prior memories.
- Retrograde amnesia: loss of memories formed before the event, with relatively preserved ability to form new memories (at least initially).
- Global amnesia: extensive impairment across both retrograde and anterograde domains.
- Other conditions (e.g., dissociative amnesia) with distinct features.

Why alternative explanations would be incorrect in typical options:
- A statement describing inability to recall events from before the event would point to retrograde amnesia, not anterograde, and would be incorrect if labeled as anterograde.
- A claim that memory formation is fully intact after the incident would contradict anterograde amnesia and be incorrect.
- A description focusing only on short-term memory impairment without encoding into long-term memory would require precise wording; true anterograde amnesia involves impaired formation of new long-term memories, not just short-term memory deficits.

In summary, the example statement provided is consistent with anterograde amnesia because the defect concerns memory formation after the aneurysm event. Without the actual list of options, we cannot select among them, but the concept and the given example illustrate the hallmark of anterograde amnesia.

Which of the following is an example of anterograde amnesia?单项选择题

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