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3 Cards in this Set
- Front
- Back
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Pheremones |
External chemicals/hormones that are secreted by animals and humans to signal to another member of the same species to pass a message i.e. pissing on a territory(territoriality) or sexual receptivity(Fertility) |
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Signal Detection theory |
The detection of a stimulus requires discriminating it from background noise and deciding whether it is present or not; this results in a gain or a loss. |
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Difference threshold |
Smallest increase or decrease in a physical stimulus that is require to produce the "just noticeable difference" in sensation that is detectable 50% of the time. Weber's law which states that it's proportional to the initial stimulus. |
