Handbook of Psychology, Volume 4: Experimental Psychology

118 Foundations of Visual Perception Lindsay, P. H., & Norman, D. A. (1977).Human information process- ing: An introduction ...

References 119 Ungerleider, L. G., & Mishkin, M. (1982). Two cortical visual sys- tems. In E. J. Ingle, M. A. Goodale, & ...

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CHAPTER 5 Audition WILLIAM A. YOST 121 HEARING AS SOUND SOURCE DETERMINATION 121 SOURCES OF SOUND: THE PHYSICS OF THE COMPLEX SO ...

122 Audition of sound; follows with a description of the anatomy and physiology of the auditory system, especially the auditory ...

Sources of Sound: The Physics of the Complex Sound Wave 123 Figure 5.2 Diagram of what one might see if air molecules were pho- ...

124Audition Soundintensity(I)isproportionaltopressure(p)squared: I=p^2 poc,wherepoisthedensityofthemediuminwhich soundtravels(e ...

Auditory Anatomy and Physiology 125 AUDITORY ANATOMY AND PHYSIOLOGY The auditory system (see Figure 5.3) has four main parts: Th ...

126 Audition than that of air (a 32-dB change). The middle ear compensates for this impedance difference via the lever action of ...

Auditory Anatomy and Physiology 127 Figure 5.5 Light micrograph of a cross section of a chinchilla organ of Corti. Clearly shown ...

128 Audition Why should the system have two types of hair cells (inner and outer)? More than 90% of the inner hair cells are inn ...

Auditory Anatomy and Physiology 129 tuning curve represents the tonal level required for a thresh- old number of neural discharg ...

130 Audition nerve represents the relative amplitude of a particular fre- quency in the sound. The temporal discharge pattern of ...

Detection 131 and the lateral superior olive is most sensitive to interaural level differences. Interaural time and level differ ...

132 Audition Figure 5.11 Equal loudness contours showing the level of a comparison tone required to match the perceived loudness ...

Detection 133 Figure 5.13 (A) A noise band with a spectral notch or gap is used to mask a signal whose frequency is in the cente ...

134 Audition input. Thus, the same decibel change in sound level produces a smaller change in neural output at high-sound levels ...

Sound Localization 135 Sound localization accuracy is best at frequencies below 1000 Hz (the region where interaural time differ ...

136 Audition location in space. When such HRTF filters are used, listeners are much more likely to localize the sounds in space ...

Sound Source Segregation 137 frequencies, and each tone is pulsed on and off such that when one tone is on, the other is off. Tw ...