103_18_full

Feeding and transfer this count across food types

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Unformatted text preview: ming at chance counting at chance Counting sequential stimuli This drop shows that they are counting rewards Rats count small numbers of feeding and transfer this count across food types •  food pellets ➔ cocoa puffs™ •  can count on RR’R’N sequences too Counting simultaneous stimuli Brannon & Terrace, 2000 Sketches of two possible arrangements of the stimuli used in an experiment to study counting in monkeys. Subjects were required to touch the four arrays in each panel in ascending order of the number of dots they contained • Monkeys presented with arrays of patterns • Each pattern contained 1, 2, 3 or 4 objects • Patterns had to be touched in order (1 then 2 etc.) for reward. Position of objects Shape of objects Orientation of objects Varied from trial to trial - Monkeys solved the problem and generalized to novel objects - Zorina & Smirnova (1996) conducted similar study with crows Number The representation of number -  Nominal scale: numbers act as labels (e.g. numbers on a footballer’s shirt) -  Ordinal scale: items can be rank ordered – items in higher rank have more objects than lower rank item -  Interval scale: as an ordinal scale, but also interval between any tw...
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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.

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