Cryptophasia is the phenomenon of a language developed by twins (identical or fraternal) that only the two children can understand. The word has its roots...

children, especially twins, the latter being more specifically known as cryptophasia, and commonly referred to as twin talk or twin speech. Children who are...

to others. Their language, or idioglossia, qualified as an example of cryptophasia, exemplified by the twins' simultaneous actions, which often mirrored...

counterparts. The reasons for this phenomenon are still in question; however, cryptophasia was thought to be the major cause. Idioglossia is defined as a private...

idiosyncratic, sped-up Bajan Creole dialect that qualified as an example of cryptophasia. The inseparable twins had a longstanding agreement that, if one died...

meaning an idiosyncratic language that few speak, and associated with "cryptophasia". In the deep back country, a teenage boy discovers that a local hermit...

occurrence among young children that live together, in a process called cryptophasia. This means that delayed PFC development would have allowed more time...

analogized the wondrous and "terrifying" evolved chatbot language to cryptophasia, the phenomenon of some twins developing a language that only the two...