idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
Während der Entwicklung von Nervenzellen verändert sich dessen Zusammensetzung. Rezeptoren bauen zu Beginn Bausteine ein, die ein Signal sehr effektiv weiterleiten (pink). Mit der Zeit (oben 0, Mitte: 12 Stunden, unten 24 Stunden) wird der Baustein ausgetauscht gegen einen, der Signale weniger effektiv leitet (grün). Insgesamt nimmt die Anzahl der Rezeptoren zu, so dass mehr Rezeptoren die gleiche Intensität erreichen können.
Quelle: Nature Neuroscience, DOI: 10.1038/nn.2122
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