Implicit and explicit memory for familiar and novel objects presented to touch

Two experiments examined implicit and explicit memory for familiar and unfamiliar objects presented haptically. Experiment 1 showed substantial priming for real world objects using a speeded naming task. Furthermore, priming was not affected by changes in the mode of exploration (with gloves or without gloves) from study to test. In contrast, explicit memory assessed by a recognition test was impaired when such a change occurred. Experiment 2 showed implicit memory for unfamiliar wooden objects when priming was evaluated with a symmetry judgment task. Structural encoding but not elaborative encoding produced priming whereas explicit memory was enhanced under elaborative encoding. These findings suggest similarities between memory for objects in vision and touch. Memoria implicita y memoria explicita de objetos familiares y no familiares presentados a traves del tacto. En dos experimentos examinamos la memoria implicita y explicita haptica. El Experimento 1 mostro priming similar para objetos familiares en una tarea de identificacion tanto cuando la exploracion no vario del estudio a la prueba de memoria (sin guantes) como cuando si lo hizo (con guantes), mientras la memoria explicita fue inferior cuando se modifico el modo de exploracion. El Experimento 2 mostro priming en una tarea de deteccion de la simetria en objetos no familiares cuando los objetos se codificaron estructuralmente pero no cuando se codificaron semanticamente. Por el contrario, la memoria explicita fue superior cuando los objetos se codificaron semanticamente que cuando se codificaron estructuralmente. Estos resultados sugieren semejanzas en la memoria de objetos presentados a la vision y a tacto.

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