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SUMMARY:SOP and consumption microstructure - Dr Dominic M. Dwyer\, School 
 of Psychology\, Cardiff University &amp\; Visiting Fellow\, School of Psyc
 hology\, UNSW
DTSTART:20130906T153000Z
DTEND:20130906T163000Z
UID:TALK47019@talks.cam.ac.uk
CONTACT:28731
DESCRIPTION:Rodents typically produce rhythmic sets of licks that can be g
 rouped into clusters on the basis of the intervals between licks. The mean
  number of licks in a cluster (cluster size) is directly related to the co
 ncentration of palatable and unpalatable solutions. These relationships su
 ggest that lick cluster size might be a useful index of the intensity of a
 n animal’s (hedonic?) reaction to the solution being consumed.  Wagner
 ’s SOP theory is based around the idea that both the level of response t
 o a stimulus\, and the amount of learning based on its presentation\, depe
 nds on the degree to which its representation is activated.  Today\, I wil
 l describe experiments relating to sensory preconditioning\, simultaneous 
 contrast\, and contrast-based learning (aka US-priming\, diminution of the
  UR and attenuation of CS-US learning) where the analysis of the microstru
 cture of licking has provided novel information beyond that which can be g
 leaned from the analysis of consumption alone.  In each of these three sit
 uations SOP either offers novel possible accounts of the data (sensory pre
 conditioning and contrast) or receives novel detailed support from it (con
 trast learning).
LOCATION:Kenneth Craik Room\, Craik-Marshall Building\, Downing Site (Depa
 rtment of Psychology)
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