Hemispheric Differences in a Lateralized Lexical Decision Task with Semantic Primes PDF Download
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Author: Jill Shari Cohen
Publisher:
ISBN:
Category :
Languages : en
Pages : 127
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Book Description
Author: Jill Shari Cohen
Publisher:
ISBN:
Category :
Languages : en
Pages : 127
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Book Description
Author: Christine Chiarello
Publisher: Springer Science & Business Media
ISBN: 3642736742
Category : Psychology
Languages : en
Pages : 151
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Book Description
Language depends on a normally functioning left hemisphere. This central fact of human cerebral dominance was well established by 19th century aphasiologists and has been repeatedly confirmed by subsequent investiga tions. Predominance, however, does not imply exclusivity. As demonstrated by the commissurotomy patients studied by Eran Zaidel and associates, the right hemisphere is also capable of subserving some linguistic functions. The question, then, is not whether the right hemisphere can process language, but how and when it does so. This volume focuses on the right hemisphere's contribution to one important aspect oflanguage, lexical semantics. Although the right hemisphere may well be involved in other linguistic functions, such as prosody, the greatest evidence for right hemisphere language competence has been obtained for the processing of word meanings. In addition, cognitive psychology and psycho linguistics have provided us with well-developed models of the lexicon and lexical access to guide our inquiry. Finally, there are techniques available for studying lateralized lexical processing in the normal as well as in the brain injured hemispheres. For these reasons, a focus on the lexicon is likely to yield the greatest number of insights about right-hemisphere language processing.
Author: Chikashi Michimata
Publisher:
ISBN:
Category :
Languages : en
Pages : 222
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Author: Mika Koivisto
Publisher:
ISBN:
Category : Cerebral dominance
Languages : en
Pages : 130
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Book Description
Author: Ruth Ann Atchley
Publisher:
ISBN:
Category : Brain
Languages : en
Pages : 236
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Author: Jeffrey McConaughy Clarke
Publisher:
ISBN:
Category : Cerebral dominance
Languages : en
Pages : 392
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Book Description
Author: Timothy P. McNamara
Publisher: Psychology Press
ISBN: 1135432554
Category : Language Arts & Disciplines
Languages : en
Pages : 189
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Book Description
Semantic priming - the improvement in speed or accuracy to respond to a word when it is preceded by a semantically related word - is addressed in this volume, which provides a succinct and in-depth overview of this important phenomenon.
Author: Joan C. Arvedson
Publisher:
ISBN:
Category : Auditory perception
Languages : en
Pages : 634
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Author: Hansjakob Seiler
Publisher: Gunter Narr Verlag
ISBN: 9783878087847
Category : Grammar, Comparative and general
Languages : en
Pages : 280
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Book Description
Author: Christina Bermeitinger
Publisher: Cuvillier Verlag
ISBN: 373692898X
Category : Psychology
Languages : en
Pages : 172
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Book Description
Semantic memory is one of the most debated topics in contemporary neuropsychology. The first and foremost aim of the present work was to combine two lines of research on semantic memory. Originally, the first line comes from lesion patients and was then further explored with healthy subjects, that is the distinction of natural and artifactual categories. The second line of research comes from cognitive psychology. Here, a paradigm is frequently used to investigate the structure of and processes in semantic memory, that is the semantic priming paradigm. In the present work, this paradigm was used and natural versus artifactual categories were tested. Interestingly, an interaction with participants’ sex was found. Females showed strong positive priming effects (i.e., faster reactions to a second target-word preceded by a related first word compared to an unrelated first word) for natural categories but no or even reversed priming effects for artifactual categories. In contrast, males showed approximately equal sized positive priming effects for natural and for artifactual categories. This finding was further investigated using common techniques from (neuro-)psychology. First, a lateralized presentation of stimuli was used to explore the involvement of both hemispheres. Second, event-related potentials of the initial finding were analyzed. The results of these experiments were evidence that females and males can use the same underlying neurophysiological processes and that the sexes do not differ in their fixed underlying representations of natural and artifactual categories. Further experiments were conducted which induced a specific focus on perceptual or functional features of objects in general. These experiments showed that females and males most probably differ in their preferred processing modes but that females and males are able to use both processing modes. Furthermore, the experiments showed that semantic priming effects can be experimentally manipulated and hinge on an overlap of category relevant features. In turn, this overlap can be changed by the current top-down focus of a person which is either habitually set or experimentally induced.
