Digitale Medien
Springer
Animal cognition
3 (2000), S. 135-137
ISSN:
1435-9456
Schlagwort(e):
Key words Cognition
;
Chicken
;
Hen
;
Declarative ¶representation
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Biologie
Notizen:
Abstract It is generally considered that information can be stored either as a procedural or as a declarative representation. A devaluation technique was used to determine whether hens have declarative representations. Individual hens (Gallus gallus domesticus) were fed in an enclosure with two containers, each with a new food type. One of the food types was devalued by pre-feeding with that food, after which the hens were tested with empty food containers. The pre-feeding should only affect the choice of the hens if they have learned where a particular food type was (declarative representation) rather than “go left when coming into the enclosure” (procedural representation). A significant proportion of the hens went to the location previously occupied by the non-devalued food (seven out of eight). This supports the hypothesis that domestic hens can form declarative representations.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/s100710000074
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