The role of vocabulary knowledge for tongue twister repetition in bilingual children with and without language impairment

textThis study evaluates the relationship between semantic and phonological representations via the comparison of vocabulary knowledge and tongue twister performance in 34 bilingual Spanish-English children with and without language impairment (LI). In Spanish and English, scores and error analyses for eight four-word tongue twisters were compared to their vocabulary scores on the Expressive One-Word Picture Vocabulary Test (EOWPVT). Results indicated the typically developing (TD) group outperformed the group with LI in all areas. Positive significant correlations occurred between vocabulary knowledge and tongue twister performance in both languages and negative significant correlations between vocabulary knowledge and specific tongue twister error types demonstrated cross-language and cross-group discrepancies. These results imply that semantic knowledge and language experience and exposure influence bilingual children's performance on tongue twisters repetition tasks.Communication Sciences and Disorder

Una sinopsis taxonómica de Acianthera (Orchidaceae: Pleurothallidinae) en Perú que incluye dos nuevas especies

A taxonomic synopsis of Peruvian Acianthera including 35 accepted species is presented. An artificial key and maps for known localities from all these species are also included. Acianthera berlinensis sp. nov. and A. marleniae sp. nov. are described and illustrated as new species based on specimens collected in the Peruvian regions of Amazonas and Cajamarca, respectively. Information on the distribution and habitat is provided for both new taxa, followed by a discussion comparing the traits that distinguish them from their closest relatives. A. consatae, A. dodsonii, A. lamia, A. scalpricaulis and A. toachica, previously known only from Ecuador and Bolivia, are herein reported for the first time for the Peruvian flora.Se presenta una sinopsis taxonómica de Acianthera en Perú que incluye 35 especies. Se incluye una clave artificial y mapas para las localidades conocidas de todas las especies citadas. Acianthera berlinensis sp. nov. y A. marleniae sp. nov. se describen como nuevas especies, basadas en especímenes recolectados en los departamentos de Amazonas y Cajamarca. Se ofrece informacion de su distribución, hábitat y fenología para ambos taxones, seguido de una discusión sobre las características que las distinguen de especies similares. Se citan por primera vez para la flora peruana A. consatae, A. dodsonii, A. lamia, A. scalpricaulis y A. toachica, anteriormente conocidas solo en Ecuador y Bolivia

A taxonomic synopsis of "Acianthera" ("Orchidaceae Pleurothallidinae") in Peru, including two new species

A taxonomic synopsis of Peruvian Acianthera including 35 accepted species is presented. An artificial key and maps for known localities from all these species are also included. Acianthera berlinensis sp. nov. and A. marleniae sp. nov. are described and illustrated as new species based on specimens collected in the Peruvian regions of Amazonas and Cajamarca, respectively. Information on the distribution and habitat is provided for both new taxa, followed by a discussion comparing the traits that distinguish them from their closest relatives. A. consatae, A. dodsonii, A. lamia, A. scalpricaulis and A. toachica, previously known only from Ecuador and Bolivia, are herein reported for the first time for the Peruvian floraSe presenta una sinopsis taxonómica de Acianthera en Perú que incluye 35 especies. Se incluye una clave artificial y mapas para las localidades conocidas de todas las especies citadas. Acianthera berlinensis sp. nov. y A. marleniae sp. nov. se describen como nuevas especies, basadas en especímenes recolectados en los departamentos de Amazonas y Cajamarca. Se ofrece informacion de su distribución, hábitat y fenología para ambos taxones, seguido de una discusión sobre las características que las distinguen de especies similares. Se citan por primera vez para la flora peruana A. consatae, A. dodsonii, A. lamia, A. scalpricaulis y A. toachica, anteriormente conocidas solo en Ecuador y Bolivia