Table 1.

Contributions of the GABA_BR isoforms to cognition¹

Behavior	Direction	Knockout Genotype	Publication
Familiar object recognition	Impaired	B1a	Vigot et al., 2006; Jacobson et al., 2007a
Novel object recognition	Impaired	B1a	Vigot et al., 2006; Jacobson et al., 2007a
Novel object recognition – consolidation	No effect	n/a	Cullen et al., 2014*
Novel object recognition – maintenance	Impaired	B1a
Spontaneous alteration	Impaired	B1a, B1b	Jacobson et al., 2007a
Conditioned taste aversion – learning	Abolished	B1a	Jacobson et al., 2006a
Conditioned taste aversion – extinction	Impaired	B1b
Conditioned fear – learning	Impaired, abolished	B1a, B1b	Shaban et al., 2006
Conditioned fear – same context	No effect	n/a	Cullen et al., 2014*
Conditioned fear – different context	Impaired	B1a
Passive avoidance learning	No effect	n/a	Jacobson et al., 2007a

¹“Direction” indicates in comparison to wild type mice.

Asterisk (*) indicates that Cullen et al., (2014) only used wild type and B1a knockout mice.

“n/a” refers to “not applicable” in cases where no significant results were reported.