INNATENESS o The final feature of modular systems on Fodor's roster is innateness, understood as the property of develop ing according to specific, endogenously determined patterns under the impact of environmental releasers(Fodor, 1983, p. 100). On this view, modular systems come on-line chiefly as the result of a brute- causal process like triggering, rather than an intentional-causal process like learning (for more on this distinction, see Cowie. 1999 for an alternative analysis of innateness, see Ariew, 1999) The most familiar example here is language, the acquisition of w hich occurs in all normal individuals in all cultures on more or less the same schedule single words at 12 months, telegraphic speech at 18 months, complex grammar at 24 months, and so on (Stromswold, 1999). Visual object perception is another, less obvious candidate(Spelke, 1994 ).INNATENESS.  The final feature of modular systems on Fodor's roster is innateness, understood as the property of “develop[ing] according to specific, endogenously determined patterns under the impact of environmental releasers” (Fodor, 1983, p. 100). On this view, modular systems come on-line chiefly as the result of a brute-causal process like triggering, rather than an intentional-causal process like learning. (For more on this distinction, see Cowie, 1999; for an alternative analysis of innateness, see Ariew, 1999.) The most familiar example here is language, the acquisition of which occurs in all normal individuals in all cultures on more or less the same schedule: single words at 12 months, telegraphic speech at 18 months, complex grammar at 24 months, and so on (Stromswold, 1999). Visual object perception is another, less obvious candidate (Spelke, 1994)