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As much as in computers, encryption-decryption also takes place in biology. In fact, in a recent research the authors examined the influence of molecular mechanisms of the ‘long-term potentiation’ (LTP) phenomenon in the hippocampus on the functional importance of synaptic plasticity for storage of information and the development of neuronal connectivity. It is not yet clear if the activity modifies the strength of the single synapses in a digital ('''01''', all or nothing) or analog (graduated) way. In the study it emerges that individual synapses appear to have an 'all or nothing' enhancement, indicative of highly cooperative processes, but different thresholds for undergoing enhancement. These findings raise the possibility that some forms of synaptic memory may be digitally stored in the brain<ref>{{cite book  

Tanto quanto nei computer il criptaggio-decriptaggio avviene anche in biologia ed infatti una recente ricerca in cui gli autori hanno studiato i meccanismi molecolari del fenomeno "long-term potentiation" (LTP) nell'ippocampo sull'importanza funzionale della plasticità sinaptica per la memorizzazione delle informazioni e lo sviluppo della connettività neuronale. It is not yet clear if the activity modifies the strength of the single synapses in a digital ('''01''', all or nothing) or analog (graduated) way. In the study it emerges that individual synapses appear to have an 'all or nothing' enhancement, indicative of highly cooperative processes, but different thresholds for undergoing enhancement. These findings raise the possibility that some forms of synaptic memory may be digitally stored in the brain<ref>{{cite book  

  | autore = Petersen C

  | autore = Petersen C

  | autore2 = Malenka RC

  | autore2 = Malenka RC