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Science Snapshot: How Brains Handle Surprise Parties
Science Snapshot: How Brains Handle Surprise Parties
When unexpected events occur, norepinephrine signals mouse brains to pay attention to key details.
When unexpected events occur, norepinephrine signals mouse brains to pay attention to key details.
animal research, evolution, neuroscience
Shrew Brains Shrink During Winter
Abby Olena, PhD | Dec 3, 2020 | 4 min read
The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.