HEAR 657 Term 4 Chapter 1

Which of the statement(s) is/are true about HA prescription assumptions?

• First time adult HA wearers may experience adaptation to gain.

• Adaptation to gain is typically only found for adults with mild HL.

• People with SNHL prefer less gain than "normal" loudness.

• People with SNHL prefer more gain than "normal" loudness.

Which statement(s) is/are true about loudness normalisation?

• It is an assumption of some HA prescriptions.

• It tries to have people with HL perceive loudness like people with normal hearing.

• It tries to have people perceive the same loudness across frequencies.

• It tries to avoid amplifying in cochlear dead regions.

What does this image show?

• The proportion of information extracted for different dB HL.

• As HL increases, information extraction decreases.

• HL Desensitisation.

• Speech Intelligibility Index (SII).

Which statement(s) is/are true about audibility?

• Physical audibility tries to make speech audible to listener.

• Physical audibility is the aim of the NAL prescriptions.

• Effective audibility tries to make speech intelligible to the listener.

• Effective audibility is the aim of the NAL prescriptions.

Which statement(s) is/are true of the differences between DSL v5.0 and NAL-NL2?

• NAL adjusts for level of experience.

• NAL adjusts for gender.

• NAL adjusts for listening in noise.

• NAL allows you to enter LDL data.

Which of these factor(s) contribute(s) to HA-induced HL?

• Age of client

• Degree of client HL

• Prescription method

• Hours client wears HA each day