This study explores human self-evaluation. Prior to a self-evaluation task, participants complete mood questionnaires. The self-evaluation task requires participants to indicate whether a word is self-descriptive or not. As participants perform the task, their brainwaves are recorded. Each participant is paid $30. Call 541-681-8438 if you are interested in scheduling an appointment or just want to learn more about the experiment. This study explores learning processes. Prior to the learning task, participants complete mood questionnaires. The learning task requires participants to learn the association between a stimulus and a response. As participants perform the task, their brainwaves are recorded. Each participant is paid $15 dollars to show up for the study and, depending on learning performance, can earn up to an additional $45. Call 541-681-8438 if you are interested in scheduling an appointment or just want to learn more about the experiment.