Processing Load Induced by Informational Masking Is Related to Linguistic Abilities

Table 1

The average SRT scores, PPD, and the subjective ratings for both levels of intelligibility and for both masker types.

Intelligibility	Fluctuating	Single talker
SRT	SNR (SD), dB
50%	−11.2 (1.5)	−12.6 (1.9)
84%	−5.7 (1.5)	−6.0 (2.8)
Pupil	PPD (SD), mm
50%	0.23 (.16)	0.29 (.16)
84%	0.16 (.12)	0.22 (.16)
Subjective	Effort (low = 0–high = 10)
50%	6.9 (1.5)	6.7 (1.3)
84%	4.7 (1.7)	5.3 (1.6)
	Performance (low = 0–high = 10)
50%	5.5 (1.4)	5.4 (1.0)
84%	7.1 (1.0)	6.9 (1.2)
	Motivation (low = 0–high = 10)
50%	8.0 (1.4)	7.9 (1.7)
84%	8.6 (1.3)	8.6 (1.3)