En la escala filogenética, solo existe una especie que puede pronunciar palabras, frases y comunicarse constantemente con el habla. Por tanto, el culmen evolutivo de las especies, en toda la historia del planeta en que vivimos recae en la especie humana.Con tales ventajas, los humanos, leen, escriben y hasta aprenden idiomas.Sin embargo, los primates no humanos, son capaces de comunicarse por signos con otras especies. Los científicos han demostrado que un mono de 30 meses de edad, puede tener un vocabulario superior al de los bebés humanos.

U.S. Mexican Spanish West of the Mississippi proposes a macro-dialect of the most widely spoken Spanish variety in the western United States from a number of social and linguistic angles. This book is unique in its focus on this one variety of Spanish, which allows for a closer investigation of the social context and linguistic features through a number of different topics. Comprised of 13 chapters divided into two sections, this textbook provides insight into the history, demographics, migration, and social issues of US Mexican Spanish in the first section and its lexicography, phonology, and structure in the second. Useful for scholars interested in Spanish in the United States, dialectology, and sociolinguistics, this is also an ideal resource for advanced undergraduate and graduate students of Spanish.

This volume provides a sample of the most recent studies on Spanish-English codeswitching both in the Caribbean and among bilinguals in the United States. In thirteen chapters, it brings together the work of leading scholars representing diverse disciplinary perspectives within linguistics, including psycholinguistics, sociolinguistics, theoretical linguistics, and applied linguistics, as well as various methodological approaches, such as the collection of naturalistic oral and written data, the use of reading comprehension tasks, the elicitation of acceptability judgments, and computational methods. The volume surpasses the limits of different fields in order to enable a rich characterization of the cognitive, linguistic, and socio-pragmatic factors that affect codeswitching, therefore, leading interested students, professors, and researchers to a better understanding of the regularities governing Spanish-English codeswitches, the representation and processing of codeswitches in the bilingual brain, the interaction between bilinguals’ languages and their mutual influence during linguistic expression.