The effects of behavioural relaxation on cognitive performance in adults with severe intellectual disabilities.

Vollmer et al. (1996) tested a short behavioral relaxation routine with adults who have severe intellectual disability.

The adults learned to tense and release muscle groups, then breathe slowly while counting.

After training they took memory tests and were compared to a group that just sat quietly and read.

Relaxation boosted short-term memory and incidental learning right after the session.

It did not help long-term memory any more than quiet reading did.

The gains were small but clear enough to see the same day.

Ilan et al. (2021) extends the idea: adults with ID can also lift long-term memory if they speak the material aloud while studying.

Doughty et al. (2015) and Edwards et al. (2007) conceptually replicate the 1996 study by showing that mindfulness-based relaxation lowers anxiety and aggression in the same population.

Hwang et al. (2013) pulls these threads together in a systematic review, confirming that mindfulness or relaxation programs give lasting behavioral benefits to people with developmental disabilities.

You now have two cheap tools for adults with severe ID: a two-minute relaxation drill for same-day memory, and vocal practice for next-week recall.

Slot the relaxation break right before you teach new names, phone numbers, or job steps.

No extra staff, no tech, just calm bodies ready to learn.