ɐ nˈuːtɹəl stˈɪmjʊləs ɪz ɐ stˈɪmjʊləs wˌɪtʃ ɪnˈɪʃəli pɹədˈuːsᵻz nˈoʊ spəsˈɪfɪk ɹᵻspˈɑːns ˈʌðɚ ðɐn fˈoʊkəsɪŋ ɐtˈɛnʃən.
A neutral stimulus is a stimulus which initially produces no specific response other than focusing attention.