I want to know the answer to the following question:
In what year did Tim Bliss and Terje Lomo publish a paper about long-term potentiation?
All the background I'm provided with is that "In 1971 Tim Bliss and Terje Lømo published a paper on a phenomenon now called long-term potentiation: the paper showed clear evidence of activity-induced synaptic changes that lasted for at least several days.". Is that enough to answer the question?