Head mouvement

1. functions

1.1. conventional (iconic) head mouvements

1.1.1. yes/no

1.1.2. often instead of a verbal message

1.1.3. strength of a message = number of shakes

1.2. novel head mouvements

1.2.1. don't have a verbal one-to-one counterpart

1.2.1.1. deictic head mouvement (directional shifting)

1.2.1.1.1. point to smth or smb

1.2.1.1.2. display a change in focus

1.2.1.1.3. phases

1.2.1.2. head beats/tosses

1.2.1.2.1. quick up/down mouvements

1.2.1.2.2. quick back/forth mouvements

1.2.1.2.3. phases

1.2.1.2.4. exemples

2. types

2.1. simple

2.1.1. clear mouvement

2.1.1.1. lateral (tilting to the right or the left)

2.1.1.2. sagittal (nodding)

2.1.1.3. rotational (shaking)

2.2. complex

2.2.1. combination of 2 or more mouvements

3. meanings

3.1. differ in different cultures

3.2. differ from one individual to another

3.3. differ in different situations