Table 1.

Search list items for literature review.

Search List 1		Search List 2
(“Dietary fib*” OR “inulin” OR “oligo*” OR “Lactobac*” OR “gut permeability” OR “microbio*” OR “Bifidobac*” OR “Streptococ*” OR “prebiotic” OR “probiotic” OR “gut-brain-axis” OR ‘’phytobiotic” OR “paraprobiotic” OR “synbiotic” OR “xenobiotic” OR “psychobiotic” OR “polyphenol”)	AND	(“cognit*” or “memory” or “vigilance” or “decision making” or “attent*” or ”percept*” or “processing speed” or “visuo-spatial” or “executive function” or “task-switching” or “emot*” or “behav*” or “recognition” or “resting-state” or “salience” or “stroop” or “go-no go” or “n-back” or “functional state” or “neuroscience” or “psychobiology” or “stop signal” or “perform*” or “stress” or “cortisol” or ”BDNF” or “serotonin” or “NPY” or “neuropeptide” or “lipopolysaccharide (LPS)” or “lipopolysacc*”)