2006
DOI: 10.1080/09524622.2006.9753563
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FORMS OF CALL OVERLAP AND THEIR IMPACT ON ADVERTISEMENT CALL ATTRACTIVENESS TO FEMALES OF THE GRAY TREEFROG,HYLA VERSICOLOR

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Cited by 28 publications
(15 citation statements)
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“…Females of H. chrysoscelis use pulse rate as an acoustic property for species recognition (Schul & Bush 2002). Previous studies of call interference have shown that overlapping calls can disrupt a female’s perception of pulse rate (Marshall et al 2006; Schwartz & Marshall 2006). We attribute these results to a phenomenon known from the human hearing literature as “modulation masking” (Bacon & Grantham 1989; Kwon & Turner 2001).…”
Section: Discussionmentioning
confidence: 99%
“…Females of H. chrysoscelis use pulse rate as an acoustic property for species recognition (Schul & Bush 2002). Previous studies of call interference have shown that overlapping calls can disrupt a female’s perception of pulse rate (Marshall et al 2006; Schwartz & Marshall 2006). We attribute these results to a phenomenon known from the human hearing literature as “modulation masking” (Bacon & Grantham 1989; Kwon & Turner 2001).…”
Section: Discussionmentioning
confidence: 99%
“…In choruses of the gray treefrog, call overlap would typically subject calls to considerably higher levels of temporal disruption (Schwartz et al, 2002) than mimicked in such test stimuli. In such cases, the degree of call overlap and the location of the disrupted section of the call will determine the magnitude of the impact on call relative attractiveness (Schwartz and Marshall, 2006).…”
Section: Discussionmentioning
confidence: 99%
“…The choice results from tests 2b and 2c as well as tests 2e and 2f suggest that, in mirror-image anomalous stimuli, the position of the long gap is irrelevant (note the similar response ratios). However, the results of Schwartz and Marshall suggested that disruption (via call overlap) of the temporal structure of a call is more detrimental when it occurs near the beginning rather than near the end of a call (Schwartz and Marshall, 2006). When we paired two anomalous 18-pulse calls against one another (test 4; 5p_gap_13p versus 13p_gap_5p; Fig.5) that differed only in long gap position, we found no significant difference in female responses.…”
Section: Additional Related Testsmentioning
confidence: 99%
“…The pulsed temporal structure of the call is crucially important for species Gerhardt, 2005;Gerhardt, 2008;Gerhardt and Doherty, 1988;Schul and Bush, 2002). In dense choruses, however, in which the calls of multiple males may overlap in time and frequency (Schwartz et al, 2002), the temporal structure of pulsed calls could become compromised to such a degree at the position of a receiver so as to interfere with call recognition or the perception of call attractiveness Schwartz, 1987;Schwartz and Gerhardt, 1995;Schwartz and Marshall, 2006). More specifically, the silent 'gaps' between pulses in a male's call (Fig.1A) could become 'filled in' at the position of a receiver due to the effects of both background noise and reverberations associated with physical structures (e.g.…”
Section: Introductionmentioning
confidence: 99%