Relationship between Memory Load and Listening Demands in Age-Related Hearing Impairment

Table 2

Hearing and speech tests.

	Normal hearing		Hard of hearing
	Mean	SD	Mean	SD
High-frequency hearing loss (dB)	16.84	6.29	41.38	8.88	<0.001
OLSA (SNR)	-9.08	1.24	-7.83	1.64	0.011
OLSA (dB)	68.27	6.19	71.02	6.53	0.186
Subjective listening effort	2.72	1.58	2.98	1.12	0.550
ACALES low effort (SNR)	10.71	4.14	7.40	5.31	0.035
ACALES medium effort (SNR)	2.82	3.23	0.21	3.29	0.016
ACALES high effort (SNR)	-5.02	2.37	-6.63	2.94	0.067

Note: OLSA SNR: Oldenburger Sentence test performed outside the scanner; OLSA dB: Oldenburger Sentence test performed inside the scanner; ACALES: adaptive categorical listening effort scaling. denotes significance at .