ANS 42 Lecture Notes - Lecture 4: Sebaceous Gland
23 Aug 2016
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Definition: the transmission of information that alters the receivers behavior. Certain body postures will convey position in hierarchy: dominant dog: ears up, little stiffer, move with confidence o. Submissive dog: ears a little down, eyes a little more narrowed, tail down. Stereotypic behaviors - repeated behaviors carrying information - some are defined as "displays" Visual: displays - patterns of visual communication. Scared cat - arched back, hair sticking up, tail up, mouth open/hissing. Depending on species - same facial set up can mean something different. Human smiling = happy, chimpanzee smiling = fear o o. The one emphasized the most is the one of most likely intended. Evolutionary favored - because it is less energetically costly, if it works: dominant/submissive: Dominant animal doesn"t have to "beat" the submissive animals: depending on how "stare" depends on how the animal reacts. Olfactory: uses scents/odors/pheromones to convey information, many species can recognize their own species from scent o.
