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267449 occurrences (No.100 in the rank) during 5 years in the PubMed. [no cache] 500 found

173) Based on recent functional neuroimaging results, delineating a speech-gesture integration network for lexical learning in healthy adults, we hypothesized that the commonly observed variability may stem from differential patholinguistic profiles in turn depending on lesion pattern.

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PMID:24001598 DOI:10.1016/j.cortex.2013.07.012

2015 Cortex; a journal devoted to the study of the nervous system and behavior

* Lexical learning in mild aphasia: gesture benefit depends on patholinguistic profile and lesion pattern.

- Gestures accompany speech and enrich human communication. When aphasia interferes with verbal abilities, gestures become even more relevant, compensating for and/or facilitating verbal communication. However, small-scale clinical studies yielded diverging results with regard to a therapeutic gesture benefit for lexical retrieval. Based on recent functional neuroimaging results, delineating a speech-gesture integration network for lexical learning in healthy adults, we hypothesized that the commonly observed variability may stem from differential patholinguistic profiles in turn depending on lesion pattern. Therefore we used a controlled novel word learning paradigm to probe the impact of gestures on lexical learning, in the lesioned language network. Fourteen patients with chronic left hemispheric lesions and mild residual aphasia learned 30 novel words for manipulable objects over four days. Half of the words were trained with gestures while the other half were trained purely verbally. For the gesture condition, rootwords were visually presented (e.g., Klavier, [piano]), followed by videos of the corresponding gestures and the auditory presentation of the novel words (e.g., /krulo/). Participants had to repeat pseudowords and simultaneously reproduce gestures. In the verbal condition no gesture-video was shown and participants only repeated pseudowords orally. Correlational analyses confirmed that gesture benefit depends on the patholinguistic profile: lesser lexico-semantic impairment correlated with better gesture-enhanced learning. Conversely largely preserved segmental-phonological capabilities correlated with better purely verbal learning. Moreover, structural MRI-analysis disclosed differential lesion patterns, most interestingly suggesting that integrity of the left anterior temporal pole predicted gesture benefit. Thus largely preserved semantic capabilities and relative integrity of a semantic integration network are prerequisites for successful use of the multimodal learning strategy, in which gestures may cause a deeper semantic rooting of the novel word-form. The results tap into theoretical accounts of gestures in lexical learning and suggest an explanation for the diverging effect in therapeutical studies advocating gestures in aphasia rehabilitation.

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(1)50 magnetic	(18)4 gastrointestinal	(35)3 integration	(52)2 connections
(2)38 connectivity	(19)4 outcome	(36)3 interactions	(53)2 differentiation
(3)29 and	(20)4 outcomes	(37)3 movement	(54)2 domains
(4)8 limitations	(21)4 relationships	(38)3 single	(55)2 endurance
(5)7 network	(22)4 unit	(39)3 status	(56)2 health
(6)7 recovery	(23)3 Assessment	(40)3 status,	(57)2 imaging
(7)7 role	(24)3 MRI	(41)3 studies	(58)2 impact
(8)6 changes	(25)3 Well-Being	(42)2 CD133	(59)2 integrity
(9)6 results	(26)3 activation	(43)2 HL	(60)2 losses
(10)5 alterations	(27)3 brain	(44)2 ability	(61)2 networks
(11)5 limitation	(28)3 consequences	(45)2 activity	(62)2 neuronal
(12)5 neuroimaging	(29)3 coupling	(46)2 analyses	(63)2 organization
(13)5 properties	(30)3 decline	(47)2 as	(64)2 parameters
(14)5 theory	(31)3 deficits	(48)2 assays	(65)2 roles
(15)4 capacity	(32)3 differences	(49)2 assessment	(66)2 significance
(16)4 connectivity,	(33)3 impairment	(50)2 characteristics	(67)2 specialization
(17)4 foods	(34)3 improvement	(51)2 cognitive

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--- WordNet output for functional --- =>機能の, 関数の, 機能する, 機能上の, 実用的な, 機能的な Overview of adj functional The adj functional has 6 senses (first 2 from tagged texts) 1. (3) functional -- (designed for or capable of a particular function or use; "a style of writing in which every word is functional"; "functional architecture") 2. (1) functional -- (involving or affecting function rather than physiology; "functional deafness") 3. functional -- (relating to or based on function especially as opposed to structure; "the problem now is not a constitutional one; it is a functional one"; "delegates elected on a functional rather than a geographical basis") 4. functional, usable, useable, operable, operational -- (fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order") 5. functional -- (designed for or adapted to a function or use; "functional education selects knowledge that is concrete and usable rather than abstract and theoretical"; "functional architecture") 6. running, operative, functional, working -- ((of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes") --- WordNet end ---