Early in the morning of April 1, 2012, a hardware problem caused the CogLab server to crash. It took several hours to set up a new system, but it appears that everything is back to normal. All experimental data and grades should be restored to what they were the afternoon of Saturday, March 31. If you completed a lab between 3:00 pm (US time) on March 31 and 7:00 am on April 1 (US time) your results might not have been saved. Check your account information to be sure. Sorry for any inconvenience. As part of the recovery, CogLab will be shut down for maintenance on Friday, April 13 at 4:00 pm (US Eastern time). It should only take a few minutes.

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Attentional Blink Change Detection Simon Effect Spatial Cueing Stroop Effect	Apparent Motion Garner Interference Muller-Lyer Illusion Signal Detection Visual Search	Brain Asymmetry Blind Spot Receptive Fields
Metacontrast Masking Modality Effect Partial Report Suffix Effect	Brown-Peterson Task Position Error Sternberg Search	Irrelevant Speech Effect Memory Span Operation Span Phonological Similarity Effect
Encoding Specificity Levels of Processing Serial Position Von Restorff Effect	False Memory Forgot-It-All-Along Effect Remember-Know	Link Word Mental Rotation
Categorical Perception - Identification Categorical Perception - Discrimination Lexical Decision Word Superiority	Absolute Identification Implicit Learning Prototypes Statistical Learning	Monty Hall Decision Making Risky Decisions Typical Reasoning Wason Selection

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