TheĬerebral cortex in the forebrain is the place we think and reason.Ĭhimps have 99 percent of the same DNA as we do, but they don’t The source of emotions and where trauma gets stuck. The limbic system encircles the top of the brainstem, (responsible for autonomic functions such as breathing and body Which represent evolution first, the brainstem or reptilian brain Paul MacLean first described the brain as having three layers To communicate with each other (i.e., the endocrine, neurological, The chemical exchange of information molecules is a second Type are steroids including testosterone, progesterone, and estrogen. Information across the gap (synapse) between neurons. Such as serotonin, usually made in the brain to carry Examples of peptides are insulin and hormones-Įxcluding the steroid sex hormones. A ligand is theĬhemical key that fits in the receptor, in a process called binding,Ībout 95 percent of ligands are peptides, smaller strings ofĪmino acids. That diffuse through the fluids surrounding the cells. Vibrates and hums as it changes shape, waiting to pick up messages Manufactured in the ribosomes found in every cell.) A receptor (The 20 known amino acids make up protein and are A receptor is a single molecule made up of strings of aminoĪcids, like beads on a necklace, perhaps the most complicated molecule She explains how they work in the first chapter of herīook. Has spent her life as a scientist researching the receptors that sit on Neuron ( nerve cell) may have millions of receptors. The cell’s brain is the receptors that float on its membrane. (Simon & Schuster Touchstone, 1997)Ĭell receptors are the interface between emotions and tissue. Molecules of Emotion: Why You Feel the Way Youįeel. An update on the intelligence of our cells is biochemist Sondra Barrett, Ph.D.’s book Secrets of Your Cells.
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