We investigated the transduction operation and function of the mystacial vibrissae, using a comparative morphological analysis and behavioral experiments in rats. Vibrissal architecture was documented in a series of mammals to identify evolutionary conserved features of vibrissal organization. As a result of this analysis, we distinguish between a frontal… (More)
The afferent connections of the primate's temporopolar cortex were investigated with the retrograde horseradish peroxidase technique. Old World and New World monkeys received small unilateral injections of horseradish peroxidase. These labeled cells in a number of cortical, thalamic, and brainstem regions and in a few further telencephalic and diencephalic… (More)
A 40-year-old male patient is presented who survived Marchiafava-Bignami disease and recovered sufficiently to be assessed neurologically and neuropsychologically in some detail. Besides dementia, lack of initiative, and psychomotor retardation here ascribed to extracallosal damage, he showed a number of symptoms of hemispheric disconnection such as… (More)
The development of memory research is inextricably bound to the fate of patient HM. On the occasion of his death, the circumstances are remembered, which lead to the bilateral removal of parts of his medio-temporal cortex in 1953. And the importance of the subsequent more than a half-century of research about his postoperative amnesic deficits as well as… (More)
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At the level of clinical speech/language evaluation, the repetition type of conduction aphasia is characterized by repetition difficulties concomitant with reduced short-term memory capacities, in the presence of fluent spontaneous speech as well as unimpaired naming and reading abilities. It is still unsettled which dysfunctions of the pre-lexical… (More)
German psychologists may have been first to establish a university curriculum in psychology with the expressed purpose to provide--after its successful completion--a certificate of professional qualification. This "Diplom-Prüfungsordnung" (Diploma Examination Regulation) was accepted nationwide in 1941. However, it took over fifty more years before some… (More)