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Power Point Slides Alcohol - Meagher Lab

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Robinson & Berridge Model<br />

30 ROBINSON ⌅ BERRIDGE<br />

Figure 2 Adaptation of Figure 4 (panel B) in Koob & Le Moal (1997, p. 56), in which they<br />

depict sensitization as amplifying the hedonic a-process. They state that this panel shows an<br />

“affective stimulus in an individual with an intermittent history of drug use that may result<br />

in sensitized response. The shaded line illustrates ...the initial experience. The dotted line<br />

represents the sensitized response” (p. 56). Note that sensitization is hypothesized to increase<br />

the hedonic A-state by this view, which would be experienced as enhanced drug pleasure.

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