What is the fine-grained topic of the following text: These findings are explained in terms of a generalized “modality-weighting” account, which extends the “dimension-weighting” account proposed by Found and Müller [Searching for unknown feature targets on more than one dimension: Investigating a “dimension-weighting” account. Only return the topic.
"Modality-Weighting Account and its extension of the Dimension-Weighting Account"