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- Lateralization_of_brain_function abstract "The longitudinal fissure separates the human brain into two distinct cerebral hemispheres, connected by the corpus callosum. The hemispheres exhibit strong, but not complete, bilateral symmetry in both structure and function. For example, structurally, the lateral sulcus generally is longer in the left hemisphere than in the right hemisphere, and functionally, Broca's area and Wernicke's area are located in the left cerebral hemisphere for about 95% of right-handers, but about 70% of left-handers.Broad generalizations are often made in popular psychology about one side or the other having characteristic labels, such as "logical" for the left side or "creative" for the right. These labels are not supported by studies on lateralization, as lateralization does not add specialized usage from either hemisphere. Both hemispheres contribute to both kinds of processes, and experimental evidence provides little support for correlating the structural differences between the sides with such broadly-defined functional differences.The extent of any modularity, or specialization of brain function by area, remains under investigation. If a specific region of the brain, or even an entire hemisphere, is either injured or destroyed, its functions can sometimes be assumed by a neighboring region in the ipsilateral hemisphere or a corresponding region in the contralateral hemisphere, depending upon the area damaged and the patient's age. When injury interferes with pathways from one area to another, alternative (indirect) connections may develop to communicate information with detached areas, despite the inefficiencies.Brain function lateralization is evident in the phenomena of right- or left-handedness and of right or left ear preference, but a person's preferred hand is not a clear indication of the location of brain function. Although 95% of right-handed people have left-hemisphere dominance for language, 18.8% of left-handed people have right-hemisphere dominance for language function. Additionally, 19.8% of the left-handed have bilateral language functions. Even within various language functions (e.g., semantics, syntax, prosody), degree (and even hemisphere) of dominance may differ.Additionally, although some functions are lateralized, these are only a tendency. The trend across many individuals may also vary significantly as to how any specific function is implemented. The areas of exploration of this causal or effectual difference of a particular brain function include its gross anatomy, dendritic structure, and neurotransmitter distribution. The structural and chemical variance of a particular brain function, between the two hemispheres of one brain or between the same hemisphere of two different brains, is still being studied. Short of having undergone a hemispherectomy (removal of a cerebral hemisphere), no one is a "left-brain only" or "right-brain only" person.".
- Lateralization_of_brain_function thumbnail Cerebral_lobes.png?width=300.
- Lateralization_of_brain_function wikiPageExternalLink 59.pdf.
- Lateralization_of_brain_function wikiPageID "3665897".
- Lateralization_of_brain_function wikiPageRevisionID "604486031".
- Lateralization_of_brain_function hasPhotoCollection Lateralization_of_brain_function.
- Lateralization_of_brain_function subject Category:Cerebrum.
- Lateralization_of_brain_function subject Category:Neuropsychology.
- Lateralization_of_brain_function comment "The longitudinal fissure separates the human brain into two distinct cerebral hemispheres, connected by the corpus callosum. The hemispheres exhibit strong, but not complete, bilateral symmetry in both structure and function.".
- Lateralization_of_brain_function label "Asymétrie cérébrale".
- Lateralization_of_brain_function label "Lateralidad".
- Lateralization_of_brain_function label "Lateralidade".
- Lateralization_of_brain_function label "Lateralisatie".
- Lateralization_of_brain_function label "Lateralisation des Gehirns".
- Lateralization_of_brain_function label "Lateralizacja".
- Lateralization_of_brain_function label "Lateralization of brain function".
- Lateralization_of_brain_function label "Lateralizzazione".
- Lateralization_of_brain_function label "Межполушарная асимметрия".
- Lateralization_of_brain_function label "脳機能局在論".
- Lateralization_of_brain_function sameAs Lateralizace_mozkových_funkcí.
- Lateralization_of_brain_function sameAs Lateralisation_des_Gehirns.
- Lateralization_of_brain_function sameAs Lateralidad.
- Lateralization_of_brain_function sameAs Asymétrie_cérébrale.
- Lateralization_of_brain_function sameAs Lateralizzazione.
- Lateralization_of_brain_function sameAs 脳機能局在論.
- Lateralization_of_brain_function sameAs Lateralisatie.
- Lateralization_of_brain_function sameAs Lateralizacja.
- Lateralization_of_brain_function sameAs Lateralidade.
- Lateralization_of_brain_function sameAs m.09t6x4.
- Lateralization_of_brain_function sameAs Q1080497.
- Lateralization_of_brain_function sameAs Q1080497.
- Lateralization_of_brain_function wasDerivedFrom Lateralization_of_brain_function?oldid=604486031.
- Lateralization_of_brain_function depiction Cerebral_lobes.png.
- Lateralization_of_brain_function isPrimaryTopicOf Lateralization_of_brain_function.
