Reading books (paper/text format) and writing journals in complete sentences improves clarity of speech, while short-form formats (text messages, voice dictation, audiobooks) impair articulation.

noli's read

The idea that increased exposure to complex syntax improves language production is based on the cognitive principle of linguistic immersion, where active reading strengthens our mental models of grammatical structure. Psycholinguistic research indeed suggests that deep reading fosters better organization of thoughts, thereby facilitating their oral translation. Handwriting or structured writing engages brain areas linked to executive planning, which may transfer better organization to speech. However, the claim that audiobooks or dictation 'degrade' articulation remains an extrapolation: there is a lack of direct comparative studies (such as RCTs) demonstrating an atrophy of oral capacities due to these tools. It is more likely that these formats simply offer fewer opportunities for practicing complex syntax than active reading. The link between writing practice and verbal fluency is a well-documented area in educational science, but the exact mechanisms of 'degradation' by modern technologies are more behavioral hypothesis than clinical evidence.

the sources

1. 1Frattaroli J. 2006
2. 2Choi H, et al. 2025