Sign recall by hearing signers: evidences of dual coding
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Deaf participants' sign recall is affected by sign similarity, sign length, irrelevant signing and manual articulatory suppression, suggesting the existence of a phonological loop for signs. In two experiments we explore whether hearing signers (who have learned Spanish Sign Language as second language) use a phonological loop for signs, whether they use their phonological loop for words or whether they use both when recalling sign lists. Articulatory suppression (manual and vocal) and list similarity (word similarity and sign similarity) were manipulated in two experiments. Results clearly suggest that our participants recode orally the signs and use those representations to recall sign lists, but visuospatial information is also used in this task.