TrkB modulates fear learning and amygdalar synaptic plasticity by specific docking sites.
Musumeci G, Sciarretta C, Rodriguez-Moreno A, Al Banchaabouchi M, Negrete-Diaz V, Costanzi M, Berno V, Egorov AV, von Bohlen Und Halbach O, Cestari V, Delgado-Garcia JM, Minichiello L, J Neurosci, 2009 Aug 12 - link

Mutation at the TrkB PLC{gamma}-docking site affects hippocampal LTP and associative learning in conscious mice.
Gruart A, Sciarretta C, Valenzuela-Harrington M, Delgado-Garcia JM, Minichiello L, Learn Mem, 2007 Jan-Feb - link