Examlex
A brainstem nucleus that is strongly implicated in the mechanism for selective attention is the locus coeruleus.
Alternative Hypothesis
A statistical hypothesis that suggests there is a difference or relationship between two variables, as opposed to the null hypothesis, which suggests there is no effect or relationship.
Scientific Methods
A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formulation, experimentation, and conclusion drawing.
Positive Feedback Loop
A process where the end product of an action causes more of that action to occur in a feedback loop that amplifies itself.
Negative Feedback Loop
A process in a system where some function of the output of a system process reduces the effect of changes in the input, stabilizing the system.
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