The major obstacle of this paintings is whether or not morphemes play a job within the lexical illustration and processing of various kinds of polymorphemic phrases and, extra fairly, at what distinct representational and processing point. The publication includes theoretical contributions and a few empirical ones. One theoretical paper discusses numerous attainable motivations for a morphologically organised psychological lexicon (like the financial system of illustration view, and the potency of processing view), and lays out the weaknesses which are linked to a few of these motivations. the opposite theoretical paper bargains an interactive-activation reinterpretation of the findings that have been initially pronounced in the lexical seek framework. The empirical papers jointly conceal a comparatively extensive array of language varieties and as a rule take care of visible note reputation in normals within the context of lexical morphology (derived and compound words). facts is pronounced at the functionality of stems and affixes as processing devices in prefixed and suffixed derivations. The position of semantic transparency within the lexical illustration of compounds is studied, as is the impression of orthographic ambiguity at the parsing of novel compounds. The inflection-derivational contrast is approached within the context of Finnish, a hugely agglutinative language with a lot richer morphology than the languages frequently studied in psycholinguistic experiments on polymorphemic phrases. different contributions additionally method the learn item within the context of rather uncharted domain names: one offers facts on chinese language, a language which makes use of a unique script-type (logographic) from the languages which are often studied (alphabetic script), and one other one provides information on language production.