The stimulus was presented binaurally.    From Wordnet, Princeton University. 

The random access memory tidings is paralytic to lepidoptery a culvert to carolina waterwheel snuffer, snaffle dragger, mist to pompon, and binaurally.    From Wordnik.com.  [Rational Review] Reference

If you wear Epoq digital hearing aids binaurally, the sound will be directed to both ears - and so it doubles up as the world's smallest hands-free headset and personal headphones for many listening and communication purposes.    From Wordnik.com.  [MyLinkVault Newest Links] Reference

When using multiple Binaural Panners (on several channels), you should turn the integrated conditioning off, and route the output of all binaurally panned signals to an aux channel-in which you should insert the Binaural Post-Processing plug-in.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference