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Food preferences acquired by association with variations in amino acid nutrition
journal contribution
posted on 2023-06-08, 22:17 authored by D A Booth, P C SimsonProtein-deprived rats were given, on one day, a balanced mixture of amino acids followed by access to protein-free food having a distinctive odour. On another day, an imbalanced (histidine-free) amino acid mixture was given just before food having another odour. The rats afterwards preferred the balance-paired odour to the imbalance-paired odour. The preference was acquired whether the duration of odour presentation, or the amount of odourised food taken, was kept constant on the two conditioning days. Retention of the preference seemed unattenuated after 4 weeks. An attraction to the balance- paired odour (relative to odours paired with a water load) contributed to the acquired preference. There was also a relative aversion to unfamiliar odours when they had been paired with imbalance. Such acquired chemosensory control of preferences, together with an anorexigenic effect of imbalanced amino acid mixtures, can account for characteristics of feeding behaviour under conditions in which the diet is deficient in an essential amino acid.
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Publication status
- Published
Journal
Quarterly Journal of Experimental PsychologyISSN
1747-0218Publisher
Taylor & FrancisExternal DOI
Issue
1Volume
23Page range
135-145Department affiliated with
- Psychology Publications
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- No
Peer reviewed?
- Yes
Legacy Posted Date
2015-09-01Usage metrics
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