Fig. 1From: Type 2 diabetes impairs odour detection, olfactory memory and olfactory neuroplasticity; effects partly reversed by the DPP-4 inhibitor LinagliptinExperimental timeline of studies. Abbreviations: BT – block test, BPT – buried pellet test, DPP-4 – dipeptidyl peptidase 4, GK rat – Goto-Kakizaki rat, GLP-1 – glucagon-like peptide-1, HDT – habituation-dishabituation test. *Data presented in Additional file 1: Figure S1, **data presented in Additional file 1: Figure S3Back to article page