Bridging Audiology and Psychology

%5,'*,1* $8',2/2*<$1' 36<&+2/2*< 8QWLO QRZ LW ZDV EHOLHYHG WKDW LW ZDV WKH FLOLD RI WKH DXGLWRU\ FHOO WKDW FDXVHG WKLV WUDQVGXFWLRQ FRQYHUWLQJ WKH PHFKDQLFDO HIIHFW RI VRXQG LQWR DFWLRQ SRWHQWLDO EXW LW KDV EHHQ REVHUYHG WKDW RQH LVRODWHG KDLU FHOO²DOO RI LW²GDQFHV WR WKH PXVLF WKDQNV WR SURWHLQ ILODPHQWV WKDW DFW OLNH PXVFOHV %HOO SRLQWV RXW WKDW KDLU FHOOV UHDFW ZLWK KLJK VHQVLWLYLW\ WR H[WHUQDO SUHVVXUH 7KH VRPD PRYHV DQG ZLWK LW LWV FLOLD 7KH KDLU FHOO LV YHU\ OLNHO\ WR SLFN XS VRXQG WKURXJK WKH SUHVVXUH ZDYHV WKDW DUH JHQHUDWHG ZKLFK ZRXOG H[SODLQ WKH IXQFWLRQ RI WKH RSHUFXOXP PDLQWDLQLQJ WKH VWDWLF SUHVVXUH RI WKH LQWHUQDO IOXLGV RI WKH HDU DQG VR SUHVHUYLQJ WKH ]HUR OHYHO VR WKDW DQ\ SUHVVXUH YDULDWLRQ FDXVHG E\ WKH VRXQG FDQ EH GHWHFWHG The wave has two components: pressure and displacement. A sound wave propagated through a medium creates areas of higher particle density (compression) or lower particle density (rarefaction). The cilia of the auditory cells can perceive the wave's displacement, while the cell body is apparently sensitive to changes in pressure. Adapted from Bell, 122 from an original by Wehner & Gehring. ,I ZH REVHUYH WKH PXVFOH RI WKH RSHUFXOXP ZH ZLOO VHH WKDW LW UHOD[HV DQG FRQWUDFWV WR WKH UK\WKP RI EUHDWKLQJ WKXV UHJXODWLQJ WKH ,ELG