Now showing items 1-5 of 5
Two-criterion threshold techniques: Evidence for separate spatial and temporal mechanisms?
(Elsevier, 1983)
Contrast thresholds were determined for counterphase flickering and drifting spatial gratings using pattern and flicker/motion criteria. In contrast to previous reports, the two criteria yielded contrast sensitivity functions ...
Dopamine or opioid stimulation of nucleus accumbens similarly amplify cue‐triggered ‘wanting’ for reward: entire core and medial shell mapped as substrates for PIT enhancement
(Wiley Periodicals, Inc.Rodale Press (Macmillan), 2013-05)
Pavlovian cues [conditioned stimulus ( CS +)] often trigger intense motivation to pursue and consume related reward [unconditioned stimulus ( UCS )]. But cues do not always trigger the same intensity of motivation. ...
Spatial frequency masking and Weber's Law
(Elsevier, 1983)
The threshold masking effect of one simultaneously presented grating upon another was studied as a function of mask contrast and frequency. The masking function typically obeys Weber's Law with method-of-adjustment ...
Ventral pallidal neurons code incentive motivation: amplification by mesolimbic sensitization and amphetamine
(Blackwell Science Ltd, 2005-11)
Neurons in ventral pallidum fire to reward and its predictive cues. We tested mesolimbic activation effects on neural reward coding. Rats learned that a Pavlovian conditioned stimulus (CS+1 tone) predicted a second conditioned ...
An inherent nonlinearity in near-threshold contrast detection
(Elsevier, 1984)
We measured an essentially normal pedestal effect using stationary gaussian targets and slowly moving pedestal gratings. Since these conditions greatly reduce the information provided by the pedestal, we question whether ...