According to several linguistic experts, Brain-Based Research has confirmed many standards of language learning, such as: "learning engages the entire person (cognitive, affective, and psychomotor dominas), the human brain seeks patterns in its searching for meaning, emotions affect all aspects of learning, retention and recall, past experience always affects new learning, the brain's working memory has a limited capacity, lecture usually results in the lowest degree of retention, rehearsal is essential for retention, practice [alone] does not make perfect, and each brain is unique"
Experts also stress "the importance of language learners having a low level of anxiety and a high level of motivation in order to be successful in acquiring a language. Regardless of age at which language study is begun, a critical variable is time on task"
Several foreign language studies have found that "it takes hundreds of hours of contact time to achieve a survival level of proficiency in languages such as French and Spanish and two to three times longer for languages such as Arabic, Chinese, Japanese, and Korean"
A considerable aspect in brain-based research is that "practice does not make perfect, but rather permanent, allowing the learner to use a learned skill in a new situation"
Therefore, "practice alone doesn't make perfect unless the learner understands what needs to be done to improve and is motivated to do so".
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