keywords Acoustic communication Acoustics Auditory cortex Auditory objects BIG BROWN BAT Complex echoes EPTESICUS-FUSCUS Echolocation Excitation GAMMA-BAND ACTIVITY INFERIOR COLLICULAR NEURONS Inferior colliculus Inhibition Life Sciences & Biomedicine MOUSTACHED BAT NECTAR-FEEDING BATS Object normalization PASSIVE SOUND LOCALIZATION PRIMARY AUDITORY-CORTEX Perception Psychophysics SPECIES-SPECIFIC CALLS Science & Technology Species-specific vocalizations Technology WHOLE-CELL PATCH Zoology