Anterograde amnesia is said to occur when memory is lost for events that occurred prior to the occurrence of the amnesia.

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The statement being evaluated is: 'Anterograde amnesia is said to occur when memory is lost for events that occurred prior to the occurrence of the amnesia.'
Option 1: false. This option claims that the definition as stated is incorrect. In memory disorder terminology, anterograde amnesia refers to the inability to form new memories after the onset of amnesia, while memories from before the event remain intact. Thus, memory loss for events prior to the amnesia corresponds to retrograde amnesia, not anterograde amnesia.
Option 2: true. This option asserts that the definition given is correct. Since the described scenario describes forgetting events that happened before the amnesia started, it aligns with retrograde amnesia, not anterograde amnesia. Therefore, this option misidentifies the type of memory loss.
To recap the underlying concept: memory impairments are categorized by the temporal direction of the forgotten material relative to the onset of the condition. Anterograde means new learning is impaired after the onset, whereas retrograde means past memories are impaired before the onset. In this question, the key distinction is that the memory loss is for past events, which is retrograde amnesia, not anterograde.

Anterograde amnesia is said to occur when memory is lost for events that occurred prior to the occurrence of the amnesia.

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