PSYC 2300 Chapter : Chapter 5
Document Summary
Comd 4190 exam 2: during testing, sounds will travel over and be heard in the ear you are not testing. Intra-aural [insert in ear] headphones have a range of 70 to. Mask: you"re testing the right ear at 50 db with supra aural headphones, the highest unspecified bc is. 10 db, therefore you have to mask because bone can hear at 0 db. If bc cant hear it, you don"t need to mask: only mask if you have to, insert headphones are preferred since their ia is greater, for bc. Ia for bone conduction is 0 db: when you test bone conduction, you stimulate both cochleas so there"s no transfer, you mask for bc when you need to know which cochlea is responding. Its frequency specificity allows info above different aspects of the cochlea: how quickly it can be measured, can take 30 seconds if patient is still and quiet, but can also take 30 minutes if conditions are ideal.
