The hierarchy of conceptual categories involves a level of abstraction called the basic level. This is the level at which the subjects are fastest at identifying category members, at which conceptual priming most easily obtains, at which information is most easily remembered over time, and at which a single mental image can reflect the entire category. Basic-level categories tend to be the first ones acquired by young children, and also tend to be expressed by the simplest words. Various approaches have (...) been developed to deal especially with verbs, which, as the basis of grammatical clauses, are more structured than nouns. Generative semantics explored the idea that the inherent structure of verbs conforms to the syntactic structure of sentences, and therefore should be studied by means of complex paraphrases. (shrink)

German noun plurals not ending in -s are not as irregular as Clahsen suggests. Feminine nouns get the -n plural, unless they umlaut and are subject to a constraint that requires a reduced final syllable in the plural. Another regular class is masculine nouns ending in schwa, which are weakly inflected. It is suggested that more differentiated psycholinguistic experiments can identify these regularities.