Supplemental Data

Files in this Data Supplement:

• supplemental material - Movie 1. Video of affective taste reactivity (�liking� reactions). Video examples of affective 'liking' and 'disliking' reactions to tastes. Rat is viewed from underneath transparent floor as tastant solutions are painlessly infused into its mouth through a previously-implanted oral cannula. Sucrose taste elicits positive hedonic or 'liking' reactions from rats (e.g., rhythmic tongue protrusions). Quinine taste elicits negative aversive or 'disliking' reactions (e.g. gapes).