Verbal Fluency and Verbal Short-Term Memory in Adults with Down Syndrome and Unspecified Intellectual Disability

References

• Abbeduto, L., Warren, S. F., & Conners, F. A. (2007). Language development in Down syndrome: From the prelinguistic period to the acquisition of literacy. Mental Retardation and Developmental Disabilities Research Reviews, 13, 247–261. doi:10.1002/mrdd.20158
   PubMedGoogle Scholar
• Abwender, D. A., Swan, J. G., Bowerman, J. T., & Connolly, S. W. (2001). Qualitative analysis of verbal fluency output: Review and comparison of several scoring methods. Assessment, 8, 323–338. doi:10.1177/107319110100800308
   PubMed Web of Science ®Google Scholar
• Andreou, G., & Trott, K. (2013). Verbal fluency in adults diagnosed with attention-deficit hyperactivity disorder (ADHD) in childhood. ADHD Attention Deficit and Hyperactivity Disorders, 5, 343–351. doi:10.1007/s12402-013-0112-z
   PubMedGoogle Scholar
• Ashman, A. F. (1982). Coding, strategic behavior, and language performance of institutionalized mentally retarded young adults. American Journal of Mental Deficiency, 86, 627–636.
   PubMedGoogle Scholar
• Baddeley, A. D. (1986). Working memory. Oxford: Oxford University Press.
   Google Scholar
• Baddeley, A. D., & Hitch, G. J. (1974). Working memory. In G. Bower (Ed.), The psychology of learning and motivation (Vol. 8, pp. 47–89). New York, NY: Academic Press.
   Google Scholar
• Baddeley, A. D., & Jarrold, C. (2007). Working memory and Down syndrome. Journal of Intellectual Disability Research, 51, 925–931. doi:10.1111/j.1365-2788.2007.00979.x
   PubMed Web of Science ®Google Scholar
• Beatty, W. W., Testa, J. A., English, S., & Winn, P. (1997). Influences of clustering and switching on the verbal fluency performance of patients with Alzheimer’s disease. Aging, Neuropsychology, and Cognition, 4, 273–279. doi:10.1080/13825589708256652
   PubMed Web of Science ®Google Scholar
• Begeer, S., Wierda, M., Scheeren, A. M., Teunisse, J. P., Koot, H. M., & Geurts, H. M. (2014). Verbal fluency in children with autism spectrum disorders: Clustering and switching strategies. Autism, 18, 1014–1018. doi:10.1177/1362361313500381
   PubMed Web of Science ®Google Scholar
• Bellugi, U., Bihrle, A., Jernigan, T., Trauner, D., & Doherty, S. (1990). Neuropsychological, neurological, and neuroanatomical profile of Williams syndrome. American Journal of Medical Genetics, 37(S6), 115–125.
   Google Scholar
• Bellugi, U., Wang, P. P., & Jernigan, T. L. (1994). Williams syndrome: An unusual neuropsychological profile. In S. Broman & J. Grafman (Eds.), Atypical cognitive deficits in developmental disorders: Implications for brain function (pp. 23–56). Hillsdale, NJ: Erlbaum.
   Google Scholar
• Boucher, J. (1988). Word fluency in high-functioning autistic children. Journal of Autism and Developmental Disorders, 18, 637–645. doi:10.1007/BF02211881
   PubMed Web of Science ®Google Scholar
• Carlesimo, G. A., Marotta, L., & Vicari, S. (1997). Long-term memory in mental retardation: Evidence for a specific impairment in subjects with Down’s syndrome. Neuropsychologia, 35, 71–79. doi:10.1016/S0028-3932(96)00055-3
   PubMed Web of Science ®Google Scholar
• Carney, D. P., Brown, J. H., & Henry, L. A. (2013). Executive function in Williams and Down syndromes. Research in Developmental Disabilities, 34, 46–55. doi:10.1016/j.ridd.2012.07.013
   PubMed Web of Science ®Google Scholar
• Chapman, R. S. (2006). Language learning in Down syndrome: The speech and language profile compared to adolescents with cognitive impairment of unknown origin. Down Syndrome Research and Practice, 10, 61–66. doi:10.3104/reports.306
   PubMedGoogle Scholar
• Chapman, R. S., & Hesketh, L. J. (2000). Behavioral phenotype of individuals with Down syndrome. Mental Retardation and Developmental Disabilities Research Reviews, 6, 84–95. doi:10.1002/1098-2779(2000)6:2<84:AID-MRDD2>3.0.CO;2-P10.1002/(ISSN)1098-2779
   PubMedGoogle Scholar
• Chapman, R. S., & Hesketh, L. J. (2001). Language, cognition, and short-term memory in individuals with Down syndrome. Down Syndrome Research and Practice, 7(1), 1–7. doi:10.3104/reviews.108
   PubMedGoogle Scholar
• Chapman, R. S., Hesketh, L. J., & Kistler, D. J. (2002). Predicting longitudinal change in language production and comprehension in individuals with Down syndrome. Journal of Speech, Language, and Hearing Research, 45, 902–915. doi:10.1044/1092-4388(2002/073)
   PubMed Web of Science ®Google Scholar
• Chapman, R. S., Seung, H. K., Schwartz, S. E., & Kay-Raining Bird, E. (1998). Language skills of children and adolescents with Down syndrome. Journal of Speech, Language, and Hearing Research, 41, 861–873. doi: 10.1044/jslhr.4104.861
   PubMed Web of Science ®Google Scholar
• Costanzo, F., Varuzza, C., Menghini, D., Addona, F., Gianesini, T., & Vicari, S. (2013). Executive functions in intellectual disabilities: A comparison between Williams syndrome and Down syndrome. Research in Developmental Disabilities, 34, 1770–1780. doi:10.1016/j.ridd.2013.01.024
   PubMed Web of Science ®Google Scholar
• Fidler, D., Most, D., & Philofsky, A. (2009). The Down syndrome behavioural phenotype: Taking a developmental approach. Down Syndrome Research and Practice, 12, 37–44. doi:10.3104/reviews/2069
   Google Scholar
• Filippetti, V. A., & Allegri, R. F. (2011). Verbal fluency in Spanish-speaking children: Analysis model according to task type, clustering, and switching strategies and performance over time. The Clinical Neuropsychologist, 25, 413–436. doi:10.1080/13854046.2011.559481
   PubMed Web of Science ®Google Scholar
• Fu, C. H., McIntosh, A. R., Kim, J., Chau, W., Bullmore, E. T., Williams, S. C., … McGuire, P. K. (2006). Modulation of effective connectivity by cognitive demand in phonological verbal fluency. NeuroImage, 30, 266–271. doi:10.1016/j.neuroimage.2005.09.035
   PubMed Web of Science ®Google Scholar
• Georgas, D. D., Paraskevopoulos, I. N., Bezevegis, I. G., & Giannitsas, N. D. (1997). Ελληνικό WISC-III: Wechsler κλίμακες νοημοσύνης για παιδιά [Greek WISC-III: Wechsler intelligence scales for children]. Athens: Ellinika Grammata.
   Google Scholar
• Hodapp, R. M., & Dykens, E. M. (2001). Strengthening behavioral research on genetic mental retardation syndromes. American Journal on Mental Retardation, 106, 4–15. doi:10.1352/0895-8017(2001)106<0004:SBROGM>2.0.CO;210.1352/0895-8017(2001)106<0004:SBROGM>2.0.CO;2
   PubMedGoogle Scholar
• Indefrey, P., & Levelt, W. J. M. (2000). The neural correlates of language production. In M. S. Gazzaniga (Ed.), The new cognitive neurosciences (pp. 845–865). Cambridge, MA: MIT Press.
   Google Scholar
• Inokuchi, E., & Kamio, Y. (2013). Qualitative analyses of verbal fluency in adolescents and young adults with high-functioning autism spectrum disorder. Research in Autism Spectrum Disorders, 7, 1403–1410. doi:10.1016/j.rasd.2013.08.010
   Web of Science ®Google Scholar
• Jarrold, C., & Baddeley, A. D. (1997). Short-term memory for verbal and visuospatial information in Down’s syndrome. Cognitive Neuropsychiatry, 2, 101–122. doi:10.1080/135468097396351
   PubMedGoogle Scholar
• Jarrold, C., & Baddeley, A. D. (2001). Short-term memory in Down syndrome: Applying the working memory model. Down Syndrome Research and Practice, 7, 17–23. doi:10.3104/reviews.110
   PubMedGoogle Scholar
• Jarrold, C., Baddeley, A. D., & Hewes, A. K. (2000). Verbal short-term memory deficits in Down syndrome: A consequence of problems in rehearsal? Journal of Child Psychology and Psychiatry, 41, 233–244. doi:10.1111/1469-7610.00604
   PubMed Web of Science ®Google Scholar
• Jarrold, C., Baddeley, A. D., & Phillips, C. (1999). Down syndrome and the phonological loop: The evidence for, and importance of, a specific verbal short-term memory deficit. Down Syndrome Research and Practice, 6, 61–75. doi:10.3104/reviews.97
   PubMedGoogle Scholar
• Jarrold, C., Hartley, S. J., Phillips, C., & Baddeley, A. D. (2000). Word fluency in Williams syndrome: Evidence for unusual semantic organisation? Cognitive Neuropsychiatry, 5, 293–319. doi:10.1080/13546800050199739
   Google Scholar
• Kernan, K. T., & Sabsay, S. (1996). Linguistic and cognitive ability of adults with Down syndrome and mental retardation of unknown etiology. Journal of Communication Disorders, 29, 401–422. doi:10.1016/0021-9924(95)00026-7
   PubMed Web of Science ®Google Scholar
• Kittler, P. M., Krinsky-McHale, S. J., & Devenny, D. A. (2004). Semantic and phonological loop effects on verbal working memory in middle-age adults with mental retardation. American Journal on Mental Retardation, 109, 467–480. doi:10.1352/0895-8017(2004)109<467:SAPLEO>2.0.CO;210.1352/0895-8017(2004)109<467:SAPLEO>2.0.CO;2
   PubMedGoogle Scholar
• Kittler, P. M., Krinsky-McHale, S. J., & Devenny, D. A. (2008). Dual-task processing as a measure of executive function: A comparison between adults with Williams and Down syndromes. American Journal on Mental Retardation, 113, 117–132. doi:10.1352/0895-8017(2008)113[117:DPAAMO]2.0.CO;210.1352/0895-8017(2008)113[117:DPAAMO]2.0.CO;2
   PubMedGoogle Scholar
• Kosmidis, M. H., Bozikas, V. P., Vlahou, C. H., Kiosseoglou, G., Giaglis, G., & Karavatos, A. (2005). Verbal fluency in institutionalized patients with schizophrenia: Age-related performance decline. Psychiatry Research, 134, 233–240. doi:10.1016/j.psychres.2005.02.003
   PubMed Web of Science ®Google Scholar
• Kosmidis, M. H., Tsapkini, K., Folia, V., Vlachou, C. H., & Kiosseoglou, G. (2004). Semantic and phonological processing in illiteracy. Journal of the International Neuropsychological Society, 10, 818–827. doi:10.1017/S1355617704106036
   PubMed Web of Science ®Google Scholar
• Kosmidis, M. H., Vlahou, C. H., Panagiotaki, P., & Kiosseoglou, G. (2004). The verbal fluency task in the Greek population: Normative data, and clustering and switching strategies. Journal of the International Neuropsychological Society, 10, 164–172. doi:10.1017/S1355617704102014
   PubMed Web of Science ®Google Scholar
• Lanfranchi, S., Jerman, O., Dal Pont, E., Alberti, A., & Vianello, R. (2010). Executive function in adolescents with Down syndrome. Journal of Intellectual Disability Research, 54, 308–319. doi:10.1111/j.1365-2788.2010.01262.x
   PubMed Web of Science ®Google Scholar
• Lanfranchi, S., Toffanin, E., Zilli, S., Panzeri, B., & Vianello, R. (2014). Memory coding in individuals with Down syndrome. Child Neuropsychology, 20, 700–712. doi:10.1080/09297049.2013.856396
   PubMed Web of Science ®Google Scholar
• Laws, G., & Gunn, D. (2004). Phonological memory as a predictor of language comprehension in Down syndrome: A five-year follow-up study. Journal of Child Psychology and Psychiatry, 45, 326–337. doi:10.1111/j.1469-7610.2004.00224.x
   PubMed Web of Science ®Google Scholar
• Lee, C. S., & Binder, K. S. (2014). An investigation into semantic and phonological processing in individuals with Williams syndrome. Journal of Speech, Language, and Hearing Research, 57, 227–235. doi:10.1044/1092-4388(2013/12-0175)
   PubMed Web of Science ®Google Scholar
• Mackenzie, S., & Hulme, C. (1987). Memory span development in Down’s syndrome, severely subnormal and normal subjects. Cognitive Neuropsychology, 4, 303–319. doi:10.1080/02643298708252041
   Web of Science ®Google Scholar
• Mahone, E. M., Koth, C. W., Cutting, L., Singer, H. S., & Denckla, M. B. (2001). Executive function in fluency and recall measures among children with Tourette syndrome or ADHD. Journal of the International Neuropsychological Society, 7, 102–111. doi:10.1017/S1355617701711101
   PubMed Web of Science ®Google Scholar
• Marshall, C. R., Rowley, K., Mason, K., Herman, R., & Morgan, G. (2013). Lexical organization in deaf children who use British sign language: Evidence from a semantic fluency task. Journal of Child Language, 40, 193–220. doi:10.1017/S0305000912000116
   PubMed Web of Science ®Google Scholar
• Martin, G. E., Klusek, J., Estigarribia, B., & Roberts, J. E. (2009). Language characteristics of individuals with Down syndrome. Topics in Language Disorders, 29, 112–132.10.1097/TLD.0b013e3181a71fe1
   PubMed Web of Science ®Google Scholar
• Mosse, E. K., & Jarrold, C. (2011). Evidence for preserved novel word learning in Down syndrome suggests multiple routes to vocabulary acquisition. Journal of Speech, Language, and Hearing Research, 54, 1137–1152. doi:10.1044/1092-4388(2010/09-0244)
   PubMed Web of Science ®Google Scholar
• Nash, H. M., & Snowling, M. J. (2008). Semantic and phonological fluency in children with Down syndrome: Atypical organization of language or less efficient retrieval strategies? Cognitive Neuropsychology, 25, 690–703. doi:10.1080/02643290802274064
   PubMed Web of Science ®Google Scholar
• Numminen, H., Service, E., Ahonen, T., & Ruoppila, I. (2001). Working memory and everyday cognition in adults with Down’s syndrome. Journal of Intellectual Disability Research, 45, 157–168. doi:10.1046/j.1365-2788.2001.00298.x
   PubMed Web of Science ®Google Scholar
• Patterson, T., Rapsey, C. M., & Glue, P. (2013). Systematic review of cognitive development across childhood in Down syndrome: Implications for treatment interventions. Journal of Intellectual Disability Research, 57, 306–318. doi:10.1111/j.1365-2788.2012.01536.x
   PubMed Web of Science ®Google Scholar
• Pennington, B. F., Moon, J., Edgin, J., Stedron, J., & Nadel, L. (2003). The neuropsychology of Down syndrome: Evidence for hippocampal dysfunction. Child Development, 74, 75–93. doi:10.1111/1467-8624.00522
   PubMed Web of Science ®Google Scholar
• Purser, H. R., & Jarrold, C. (2013). Poor phonemic discrimination does not underlie poor verbal short-term memory in Down syndrome. Journal of Experimental Child Psychology, 115(1), 1–15. doi:10.1016/j.jecp.2012.12.010
   PubMed Web of Science ®Google Scholar
• Rende, B., Ramsberger, G., & Miyake, A. (2002). Commonalities and differences in the working memory components underlying letter and category fluency tasks: A dual-task investigation. Neuropsychology, 16, 309–321. doi:10.1037/0894-4105.16.3.309
   PubMed Web of Science ®Google Scholar
• Roberts, J., Long, S. H., Malkin, C., Barnes, E., Skinner, M., Hennon, E. A., & Anderson, K. (2005). A comparison of phonological skills of boys with Fragile X syndrome and Down syndrome. Journal of Speech, Language, and Hearing Research, 48, 980–995. doi:10.1044/1092-4388(2005/067)
   PubMed Web of Science ®Google Scholar
• Roberts, J., Price, J., Barnes, E., Nelson, L., Burchinal, M., Hennon, E. A., … Hooper, S. R. (2007). Receptive vocabulary, expressive vocabulary, and speech production of boys with Fragile X syndrome in comparison to boys with Down syndrome. American Journal on Mental Retardation, 112, 177–193. doi:10.1352/0895-8017(2007)112[177:RVEVAS]2.0.CO;210.1352/0895-8017(2007)112[177:RVEVAS]2.0.CO;2
   PubMedGoogle Scholar
• Roberts, J. E., Price, J., & Malkin, C. (2007). Language and communication development in Down syndrome. Mental Retardation and Developmental Disabilities Research Reviews, 13, 26–35. doi:10.1002/mrdd.20136
   PubMedGoogle Scholar
• Rondal, J., & Comblain, A. (1996). Language in adults with Down syndrome. Down Syndrome Research and Practice, 4, 3–14. doi:10.3104/reviews.58
   Google Scholar
• Rondal, J., & Comblain, A. (2002). Language in ageing persons with Down syndrome. Down Syndrome Research and Practice, 8(1), 1–9. doi:10.3104/reports.122
   PubMedGoogle Scholar
• Rowe, J., Lavender, A., & Turk, V. (2006). Cognitive executive function in Down’s syndrome. British Journal of Clinical Psychology, 45, 5–17. doi:10.1348/014466505X29594
   PubMed Web of Science ®Google Scholar
• Sauzéon, H., Lestage, P., Raboutet, C., N’Kaoua, B., & Claverie, B. (2004). Verbal fluency output in children aged 7–16 as a function of the production criterion: Qualitative analysis of clustering, switching processes, and semantic network exploitation. Brain and Language, 89, 192–202. doi:10.1016/S0093-934X(03)00367-5
   PubMed Web of Science ®Google Scholar
• Seung, H. K., & Chapman, R. (2000). Digit span in individuals with Down syndrome and in typically developing children. Journal of Speech, Language, and Hearing Research, 43, 609–620. doi:10.1044/jslhr.4303.609
   PubMed Web of Science ®Google Scholar
• Silverman, W. (2007). Down syndrome: Cognitive phenotype. Mental Retardation and Developmental Disabilities Research Reviews, 13, 228–236. doi:10.1002/mrdd.20156
   PubMedGoogle Scholar
• Simos, P. G., Sideridis, G. D., Protopapas, A., & Mouzaki, A. (2011). Psychometric evaluation of a receptive vocabulary test for Greek elementary students. Assessment for Effective Intervention, 37, 34–49. doi:10.1177/1534508411413254
   Google Scholar
• Smith, E., & Jarrold, C. (2014). Demonstrating the effects of phonological similarity and frequency on item and order memory in Down syndrome using process dissociation. Journal of Experimental Child Psychology, 128, 69–87. doi:10.1016/j.jecp.2014.07.002
   PubMed Web of Science ®Google Scholar
• Spek, A., Schatorjé, T., Scholte, E., & van Berckelaer-Onnes, I. (2009). Verbal fluency in adults with high functioning autism or Asperger syndrome. Neuropsychologia, 47, 652–656. doi:10.1016/j.neuropsychologia.2008.11.015
   PubMed Web of Science ®Google Scholar
• Stoel-Gammon, C. (1997). Phonological development in Down syndrome. Mental Retardation and Developmental Disabilities Research Reviews, 3, 300–306. doi:10.1002/(SICI)1098-2779(1997)3:4<300:AID-MRDD4>3.0.CO;2-R10.1002/(ISSN)1098-2779
   Google Scholar
• Stoel-Gammon, C. (2001). Down syndrome phonology: Developmental patterns and intervention strategies. Down Syndrome Research and Practice, 7, 93–100. doi:10.3104/reviews.118
   PubMedGoogle Scholar
• Troyer, A. K. (2000). Normative data for clustering and switching on verbal fluency tasks. Journal of Clinical and Experimental Neuropsychology, 22, 370–378. doi:10.1076/1380-3395(200006)22:3;1-V;FT370
   PubMed Web of Science ®Google Scholar
• Troyer, A. K., Moscovitch, M., & Winocur, G. (1997). Clustering and switching as two components of verbal fluency: Evidence from younger and older healthy adults. Neuropsychology, 11, 138–146. doi:10.1037//0894-4105.11.1.138
   PubMed Web of Science ®Google Scholar
• Troyer, A. K., Moscovitch, M., Winocur, G., Alexander, M. P., & Stuss, D. (1998). Clustering and switching on verbal fluency: The effects of focal frontal- and temporal-lobe lesions. Neuropsychologia, 36, 499–504. doi:10.1016/S0028-3932(97)00152-8
   PubMed Web of Science ®Google Scholar
• Troyer, A. K., Moscovitch, M., Winocur, G., & Leach, L. (1998). Clustering and switching on verbal fluency tests in Alzheimer’s and Parkinson’s disease. Journal of the International Neuropsychological Society, 4, 137–143. doi:10.1017/S1355617798001374
   PubMed Web of Science ®Google Scholar
• Vicari, S., Carlesimo, A., & Caltagirone, C. (1995). Short-term memory in persons with intellectual disabilities and Down’s syndrome. Journal of Intellectual Disability Research, 39, 532–537. doi:10.1111/j.1365-2788.1995.tb00574.x
   PubMed Web of Science ®Google Scholar
• Vicari, S., Caselli, M. C., & Tonucci, F. (2000). Asynchrony of lexical and morphosyntactic development in children with Down syndrome. Neuropsychologia, 38, 634–644. doi:10.1016/S0028-3932(99)00110-4
   PubMed Web of Science ®Google Scholar
• Wang, P. P., & Bellugi, U. (1993). Williams syndrome, Down syndrome, and cognitive neuroscience. American Journal of Diseases of Children, 147, 1246–1251. doi:10.1001/archpedi.1993.02160350120019
   PubMedGoogle Scholar
• Weckerly, J., Wulfeck, B., & Reilly, J. (2001). Verbal fluency deficits in children with specific language impairment: Slow rapid naming or slow to name? Child Neuropsychology (Neuropsychology, Development and Cognition: Section C), 7, 142–152. doi:10.1076/chin.7.3.142.8741
   PubMed Web of Science ®Google Scholar