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. 2013 Jan 23;33(4):1441–1450. doi: 10.1523/JNEUROSCI.2420-12.2013

Figure 2.

Figure 2.

There was a significant decrease in VTA DA neuron population activity and an attenuated amphetamine-induced locomotor response measured 24 h after acute restraint. a1–a3, DA neuron population activity in Restraint rats (Res; n = 10) was significantly lower than No-Restraint (NoRes; n = 8) controls (*p < 0.05) (a1), with no significant difference between mean firing rates (a2) or bursting activity (a3). DA neurons recorded: Res (n = 53), NoRes (n = 83). b1, b2, AMPH induced significantly higher locomotor activity in NoRes rats (b1), but not in Res rats (b2); (p < 0.05). Group sizes: Res-SAL (n = 10), Res-AMPH (n = 10), NoRes-SAL (n = 9), and NoRes-AMPH (n = 10).