Table 1.

Nucleus basalis of Meynert (NBM) projections.

NBM and surrounding BF sub-nucleus	Regions	Major projection directed to	Lesser projections directed to
Ch4am	Nucleus basalis of Meynert (NBM)	To medial wall of the hemisphere of frontal, parietal, and cingulate cortices	hypothalamus hippocampal formation ventral somatosensory cortex amygdala ventrolateral orbital middle insular periarcuate peristriate region of occipital cortex, parahippocampal regions inferior parietal lobule
Ch4al	NBM	frontoparietal opercular regions & amygdala.	olfactory bulb medial frontal pole dorsomedial motor cortex ventrolateral orbital cortex insula inferotemporal area parahippocampal regions
Ch4id and Ch4iv	NBM	ventrolateral orbital insula periarcuate peristriate inferotemporal parahippocampal inferior parietal lobule	medial frontal pole dorsomedial motor cortex frontoparietal opercular areas amygdala anterior auditory cortex temporal pole
Ch4p	NBM	Superior temporal gyrus and the temporal pole	adjacent inferotemporal and posterior insular regions
Ch1	Medial septum	Hippocampal complex	orexin/hypocretin neurons in the lateral hypothalamus
Ch2	Vertical limb of the diagonal band nucleus	Hippocampal complex	orexin/hypocretin neurons in the lateral hypothalamus
Ch3	Horizontal limb of the diagonal band nucleus	Olfactory bulb piriform and entorhinal cortices	Orexin/hypocretin neurons in the lateral hypothalamus

Sources: (Jones et al., 1976; Mesulam et al., 1984; Mesulam and Geula, 1988; Selden et al., 1998; Simić et al., 1999; Sakurai et al., 2005; Gratwicke et al., 2013; Lun Liu et al., 2015).