Centre for Lusophone and European Literatures and Cultures Portugal, being home for more than 500 researchers, and the research unit with more young researchers in projects and positions of responsibility. Due to its established protocols, CLEPUL is part of an institutional network of cooperation for research in several areas of literary science and history of culture, including Portuguese institutions in Lisbon, Porto, Algarve and the Atlantic Islands, namely Madeira, and international institutions, such as in Australia and Canada, while keeping privileged relations with Lusophone countries, namely Brazil, Angola, Mozambique, Cape Verde, São Tomé and Príncipe and Guinea-Bissau. CLEPUL currently publishes six periodicals, to disseminate its scientific research results:
Language acquisition by deaf children parents provide a strong social and emotional network and may immediately have access to the necessary resources for their child. Deaf parents already anticipate the needs of their child, having been through the same experience, as opposed to a hearing parent. A cochlear implant is placed surgically inside the cochlea, which is the part of the inner ear that converts sound to neural signals. There is much debate regarding the linguistic conditions under which deaf children acquire spoken language via cochlear implantation. Some studies have concluded that long-term use of sign language impedes the development of spoken language and reading