"preactivations" meaning in English

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          "text": "In other words, the improvement in recognizing a “visual cloudy” SFM stimulus preceded by an unambiguous SFM stimulus of the same object might be due to the preactivations of neurons tuned to the same SFM stimuli (not just shape, but shape plus motion) at both ventral and dorsal pathways […]",
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        "plural of preactivation"
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  "word": "preactivations"
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