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Intelligence Design
Lisa Boulanger (fac)
Dept. of Molecular Biology and Princeton Neuroscience Institute
This is a pyramidal neuron from the hippocampus, a part of the brain where some kinds of memories are formed. This neuron has been labeled with fluorescent antibodies so that we can visualize microtubules (shown in green), which form a structural network inside the neuron, and insulin receptors (shown in red), which are cell surface proteins that instruct neurons to make connections with other neurons. These connections, called synapses, become stronger or weaker as memories are constructed.