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Language & Communication

A patient with semantic dementia struggles to name a 'robin.' Which mechanism explains why providing the cue 'a bird' sometimes helps them recall the name?

A)Increased working memory capacity
B)Semantic network activation spreading
C)Phonological loop reactivation
D)Episodic memory trace retrieval

💡 Explanation

The patient benefits from semantic network activation spreading because presentation of 'bird' partially activates related nodes in their semantic network, therefore increasing the likelihood that the activation will spread to and sufficiently activate the 'robin' node, rather than requiring full activation from other inputs.

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