听力音频:
L2
讲座
1. What is the lecture mainly about?
Differences in multitasking ability by age group
Studies of how to improve multitasking ability
Studies that have changed the way psychologists define multitasking
The relationship between multitasking and cognitive functioning
2. What was the main finding of the first study the professor mentions?
The brain’s frontal lobes process only certain types of tasks.
The brain’s frontal lobes can deal with a maximum of two tasks at a time.
The brain focuses on tasks in the order in which they are introduced.
Brain activity occurs in only one frontal lobe at a time.
3. How does the professor define filtering?
As the sorting of tasks for processing by different areas of the brain
As the categorization of tasks into those involving high or low cognitive control
As the ability to identify the key information needed to complete a task
As the brain’s ability to distinguish between signals from different sources
4. Why does the professor mention a filing cabinet?
To question the assumptions made in an earlier study
To explain the procedure used in a psychological experiment
To point out that the brain can sometimes misclassify information
To describe how working memory affects the ability to access information
5. The professor expresses surprise about one of Clifford Nass’s findings. What was that finding?
Heavy multitaskers believe they are able to multitask effectively.
In heavy multitaskers, the processing of a task can shift from one frontal lobe to the other.
Heavy multitasking can have a positive impact on cognitive function.
The study did not indicate whether the effects of heavy multitasking are temporary or long lasting.
6. What opinion does the professor express when she discusses how common media multitasking has become?(多选题)
It is likely that media multitasking is beneficial for certain tasks
It is unlikely that people will reduce media multitasking
People should limit their media multitasking.
People should employ methods shown to improve cognitive control while multitasking