Unformatted text preview: of signals
Do the alarm calls do anything more than evoke a UR in the receiver? - Seyfarth & Cheney (2003)
Alarm call elicits a representation of the predator
Has the same effect as if the predator was actually there - Zuberbuhler, Cheney & Seyfarth (1999)
Diana monkeys presented (via a loudspeaker) with
(1) Growls of a leopard + (2) leopard alarm call or
(1) Shrieks of an eagle + (2) eagle alarm call
On baseline trials, trials (1) and (2) were the same (e.g. both leopard growl) – weak
response to second trial
On test trials, trials (1) and (2) were different (alarm call, then leopard) – weak
response to second trial Call rate Call rate - Zuberbuhler, Cheney & Seyfarth (1999) Do vervet calls have meaning?
Measure habituation/“dishabituation” between different calls that are used
in the same context (i.e. different sound - same meaning) Transfer across call types Individual recognition;
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This note was uploaded on 03/24/2012 for the course PSYC 103 taught by Professor Pearlberg during the Spring '07 term at UCSD.
- Spring '07