Donald Huang

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Sugar and fat appetites are influenced by unlearned and learned responses to orosensory and post-ingestive properties which are mediated by dopamine (DA) and opioid transmitter systems. In BALB and SWR mice, acquisition and expression of sucrose conditioned flavor preferences (CFP) are differentially affected by systemic DA D1 (SCH23390: SCH) and opioid(More)
Recent studies indicate that C57BL/6J (B6) and FVB inbred mouse strains differ in post-oral fructose conditioning. This was demonstrated by their differential flavor conditioning response to intragastric fructose and their preference for fructose versus a non-nutritive sweetener. The present study extended this analysis to SWR and BALB/c inbred strains(More)
Sugar and fat intake in rodents are mediated in part by brain dopamine (DA) and opioid neurotransmitter systems although important strain differences exist. Thus, whereas sucrose intake of BALB/c and SWR mice was reduced by DA D1 (SCH23390: SCH) receptor antagonism, opioid (naltrexone: NTX) receptor antagonism reduced intake only in BALB/c mice. Both SCH(More)
Conditioned flavor preferences are elicited by fat (Intralipid) in inbred mouse strains with BALB/c and SWR mice displaying among the most robust preferences. Dopamine D1 and opioid receptor antagonism differentially reduces the acquisition (learning) and expression (maintenance) of fat-conditioned flavor preferences in these two strains. Because(More)
Sugar appetite is influenced by unlearned and learned preferences in rodents. The present study examined whether dopamine (DA) D1 (SCH23390: SCH) and opioid (naltrexone: NTX) receptor antagonists differentially altered the expression and acquisition of fructose-conditioned flavor preferences (CFPs) in BALB/c and SWR mice. In expression experiments,(More)
In a large (250 registrants) general education lecture course, neuroscience principles were taught by two professors as co-instructors, starting with simple brain anatomy, chemistry, and function, proceeding to basic brain circuits of pleasure and pain, and progressing with fellow expert professors covering relevant philosophical, artistic, marketing, and(More)
Conditioned flavor preferences (CFP) are elicited by sucrose and fructose relative to saccharin in rats and inbred mice. Whereas dopamine, but not opioid receptor antagonists interfere with the acquisition (learning) and expression (maintenance) of sugar-CFP in rats, these antagonists differentially affect acquisition and expression of sucrose- and(More)
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