Data reveal food texture impacts swallowing efficiency and timing in healthy adults, suggesting important dietary considerations.
These data suggest that variations in some pharyngeal phase parameters should be expected across IDDSI levels EX4/PU4, MM5, SB6, and RG7. Additional research is needed to elucidate interactions of bolus size and cohesiveness with these texture-related differences. Teaspoons of EX4/PU4 stimuli are insufficient to predict swallowing physiology with higher food texture levels. RG7 stimuli are recommended to test pharyngeal constriction and swallowing efficiency. SB6 stimuli can provide additional insights regarding the benefits of altering bolus properties in terms of swallowing efficiency.
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Gandhi et al. (2026) studied this question.
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