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Electrophysiological Evidence for Sentence Comprehension - Wings

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convolution) in semantic condition. Stronger activations in syntactic conditions were<br />

found in BA 22, 38, 39 and 40 as well (in the left temporal and parietal lobe, Wernike’s<br />

area, superior temporal gyrus, angular and supramarginal gyrus). These differences<br />

corroborate dissociation between syntactic and semantic processing in language<br />

comprehension.<br />

1.2. Modeling <strong>Sentence</strong> <strong>Comprehension</strong><br />

Model building has been the major conceptual tool <strong>for</strong> understanding the processes that<br />

take part in sentence comprehension. Models are, roughly, more elaborate hypotheses<br />

about these processes. In cognitive psychology they are a logical consequence of a view<br />

that cognitive processes can be understood as computations or in<strong>for</strong>mation processing;<br />

there<strong>for</strong>e, language comprehension, production, reading or writing are usually<br />

represented as a flow chart.<br />

There are two basic motivations <strong>for</strong> constructing sentence comprehension models; one<br />

originates from linguistics (or psycholinguistics) and the other from neurology. The first<br />

came along the <strong>for</strong>mulation of generative grammar and the idea that linguistic theory<br />

should explain the linguistic knowledge of the speaker. Although Chomsky opposed the<br />

idea that language per<strong>for</strong>mance could tell us something about language competence,<br />

psycholinguistics profited a great deal from the opportunity to test the psychological<br />

implications of a linguistic theory. On the other hand, various types of aphasia motivated<br />

23

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