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Unformatted text preview: transfer Do vervet calls have meaning?
Habituation transfers across calls from different species! Duration of response Call listed first is “habituation”
Second is “control” & “test” Vervets treat starling alarm calls similarly to vervet alarms
Show audience effect (like chickens)
Suggests an internal representation of the referent Human Language and Animal Communication
Limited vs unbounded signal sets: Most animals communicate about
a limited range of items (food, sex, predators, etc) using a fixed and
usually small set signals.
Reference and situational freedom: Animal communication often
reflects internal states. Other signals are referential, i.e.they are reliably
given in the presence of an object and not under other conditions (bees
chickens, monkeys). Humans can discuss events or items that have
occurred in the past or may occur in the future. This is called situational
freedom or displacement.
Intentionality: Humans generally use language with the intent of
informing (e.g. clarification), by s...
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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