case_images: PMC8290146_01
case_images: Example of emotion communication dynamic display page [emotions, causes, and responses to emotions]. The Picture Communication Symbol  and Boardmaker by Tobii Dynavox  All Rights Reserved. Used with permission.
case_images: fpsyg-12-674755-g001.jpg
case_images: PMC8290146_01_fpsyg-12-674755-g001.jpg
case_images: F1
case_images: As the mother suggested new words that enabled her and the child to discuss emotions, the child's access to emotion vocabulary grew. An example of the child's AAC emotion-related pages used is presented in Figure 1.
case_images: Observation instrument.
case_images: fpsyg-12-674755-g002.jpg
case_images: PMC8290146_01_fpsyg-12-674755-g002.jpg
case_images: F2
case_images: Figure 2 only presents the dimensions and units analyzed for the purposes of the present study, which includes 6 dimensions (out of the 15 dimensions included in the full-version) that allowed for the capturing of mother-child emotional interaction in the storybook reading activity.