American psychologist Calvin S. Hall established the open field test (OFT) in 1932 to assess animal emotionality. 1 The OFT has evolved since then with modern technology, and its capacity to assess ...
We have previously reported that intravenous (I.V.) administrations of 0.5–1.0 mg/kg of amphetamine in the absence of any environmental stimuli predictive of drug administration failed to induce ...