In an effort to assess her memory abilities, a researcher presents 5-month-old chloe with the same visual stimulus over numerous trials. if she begins to pay less attention to the stimulus with each subsequent trial, she is demonstrating

memory and habituation

Explanation:

According to my research on studies conducted by various neurologists, I can say that based on the information provided within the question she is demonstrating memory and habituation. Habituation is a form of learning where the individual starts to pay less attention to a certain stimulus the more it is repeated, and this is because they have that stimulus engraved within memory and thus it doesn't interest them anymore.

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it apply by theyre artifacts