Comment on

• Impaired spatial learning in alpha-calcium-calmodulin kinase II mutant mice.

  Silva AJ, Paylor R, Wehner JM, Tonegawa S. Silva AJ, et al. Science. 1992 Jul 10;257(5067):206-11. doi: 10.1126/science.1321493. Science. 1992. PMID: 1321493
• Impaired long-term potentiation, spatial learning, and hippocampal development in fyn mutant mice.

  Grant SG, O'Dell TJ, Karl KA, Stein PL, Soriano P, Kandel ER. Grant SG, et al. Science. 1992 Dec 18;258(5090):1903-10. doi: 10.1126/science.1361685. Science. 1992. PMID: 1361685
• Deficient hippocampal long-term potentiation in alpha-calcium-calmodulin kinase II mutant mice.

  Silva AJ, Stevens CF, Tonegawa S, Wang Y. Silva AJ, et al. Science. 1992 Jul 10;257(5067):201-6. doi: 10.1126/science.1378648. Science. 1992. PMID: 1378648