FACTOID # 17: Though Rhode Island is the smallest state in total area, it has the longest official name: The State of Rhode Island and Providence Plantations.
 
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Encyclopedia > Laterodorsal tegmental nucleus

The laterodorsal tegmental nucleus is a nucleus situated in the brainstem that sends cholinergic (acetylcholine) projections to many subcortical and cortical structures. Targets include the thalamus, hypothalamus, substantia nigra (dopamine neurons), ventral tegmental area (dopamine neurons), cortex (with bidirectional connections with the prefrontal cortex). It may be involved in modulating sustained attention or in mediating alerting responses. Also involved in the generation of REM sleep (along with the pedunculopontine nucleus).


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amygdala: Definition and Much More From Answers.com (588 words)
The amygdala is actually several separately functioning nuclei that anatomists group together by the proximity of the nuclei to one another.
The centromedial nucleus is the main output for the basolateral complex and is involved in emotional arousal.
The cortical nucleus is involved in olfaction and pheromone processing.
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