Circadian Regulation of Hippocampal-Dependent Memory: Circuits, Synapses, and Molecular Mechanisms

Table 1

Hippocampus-dependent memory tasks regulated by time-of-day, sorted by memory process (WM: working memory; ITM: intermediate-term memory; LTM: long-term memory; Acq: acquisition; Ret: retrieval).

Process	Assay	Phase (peak/nadir)	Model	Reference
WM	Radial arm maze	Night (21/7)	Sprague–Dawley rats	Hauber and Bareiss [3]
WM	Radial arm maze	Day (2/14)	C3H/HeN mice	Rawashdeh et al. [55]
WM	Spontaneous alternation	Night (19/7)	Siberian hamsters	Ruby et al. [10]
WM	Sustained attention task	Night (16/4)	Sprague–Dawley rats	Gritton et al. [12]
ITM	Novel object location	Night (20/8)	Wistar rats	Takahashi et al. [14]
ITM	Novel object location	Night (16/4)	C57BL/6 mice	Snider et al. [20]
ITM	Novel object recognition	Night (19/3)	Siberian hamsters	Ruby et al. [9]
LTM	Alley maze	Night (18/6)	C57BL/6 Ola mice	Hoffmann and Balschun [2]
LTM	Contextual fear conditioning	Night (14/2)	C57BL/6J mice	Valentinuzzi et al. [19]
LTM	Contextual fear conditioning	Day (4/16)	C57BL/6 mice	Eckel-Mahan et al. [18]
LTM (Ret)	Contextual fear conditioning	Day (3/21)	C57BL/6J and C-3H mice	Chaudhury and Colwell [4]
LTM	Passive avoidance	Day (6/18)	Sprague–Dawley rats	Davies et al. [1]
LTM	Trace fear conditioning	Day (6/18)	C57BL/6 mice	Wang et al. [5]
LTM	Morris Water Maze	Night (16/4)	Sprague–Dawley rats	Gritton et al. [12]
LTM	Radial arm maze	Night (21/7)	Sprague–Dawley rats	Hauber and Bareiss [3]
LTM (Acq)	Novel object recognition	Night (16/4)	C57BL/6 mice	Shimizu et al. [42]