Word Processing Is Faster than Picture Processing in Alzheimer’s Disease

Figure 3

Effect of the types of stimuli in the AD group. AD = Alzheimer’s disease. , post hoc. The -axis represents the average number of correct responses with SD. There was a significant effect of the type of stimuli (, ) and the presentation time effect (, ) with a significant interaction (, ) using the two-way ANOVA with repeated measures. From the paired -test as a post hoc test in 20 ms, the picture’s scores were significantly lower than word’s scores (, ), and nonsense syllables’ scores were significantly lower than word’s scores (, ). Nonsense syllables’ scores were significantly lower than picture’s scores (, ), with a correct response. From the paired -test as a post hoc test in 300 ms, nonsense syllables’ scores were significantly less than word’s scores (, ), and nonsense syllables’ scores were significantly less than picture’s scores (, ).