Language and speech Flashcards
What does lateralisation mean?
Hemispheric specialisation, structural and functional differences between the 2 hemispheres
Nam the main goals for the left and right hemisphere
left: language
right: visuospatial tasks, emotional aspects of language and facial expression (mental rotation)
Why are emotions felt more in the left side of the face?
Emotions are expressed from the right side of the hemisphere and this controls the left side of the face
In which hemisphere is emotional language controlled?
the right hemisphere
Where does facial recognition take place? in which lobe?
The right inferior temporal lobe, damage will result in facial blindness (problems with facial recognition)
Which 2 areas do you need for speech?
Brocas areas and the area of Wernicke and some others
What is aphasia?
Diminished or abolished ability to comprehend and/or produce language
Where is Brocas area located?
The frontal lobe and its the motor/expressive speech area
Where is Wernickes area located?
The posterior temporal lobe.
What happens when you have damage in Broca’s area?
It will result in difficulties in language production (soort stotteren)
What happens when there is damage in Wernickes area
It will result in a lack of comprehension. They have fluent speech, but do not make sense
Broca and Wernickes area are always located at the left hemisphere
No, in 3% of the people it is located in the right hemisphere
Is there a link between people being righthanded and language and speech?
No, left handed people also have their language area in the left hemisphere
What happens in split-brain patients?
These individuals do not have the connection between the right and left hemisphere. When they see an object in their left visual field, they can see this object. However this impuls cannot enter Broca’s area due too the fact that there is no crossover. They can however name things in their right visual field.
What is damaged in split brain patients?
The corpus callosum
