What is the fine-grained topic of the following text: METHODS: T. articulata essential oil was administered by inhalation to male Wistar rats once daily for 15 min period at doses of 1% and 3% for 21 days after the intracerebroventricular administration of Aβ1-42 right-unilaterally to induce memory deficits. Only return the topic.
Effects of T. articulata essential oil on memory deficits in Wistar rats induced by Aβ1-42 administration.