Aphasia – a speech disorder consisting of a total or partial loss of the ability to produce…

Pararotacism – a pronunciation defect involving the substitution of the “r” sound for other correctly pronounced sounds….

Lambdacism – a type of pronunciation defect involving the incorrect realisation of the “l” voice. Sources: „Uczeń…

Mutism – total or partial (manifested in certain social situations) inability to use speech (with retained speech…

Parasigmatism – a type of sigmatism consisting in the substitution of some dentalized sounds for others, realized…

Anartria – lack of speech development or loss of previously acquired speech sound production skills due to…

With the right help, a child with dyslexia can be taught to read, write and spell words,…