Language and the Brain - The Brain in Real-Time Action
13 important questions on Language and the Brain - The Brain in Real-Time Action
What are the signalling neurons called that occur when electrically charged particles move across a neuron's membrane?
They are called "ions". Neurons communicate with each other through electrical signalling.
How did scientists choose to measure the action potentials cells of individual cells?
What is the output of the EEG method?
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What is the negative peak for EEG?
What is the positive peak for EEG?
the child throw the toys on the floor
but also structures that are correct but unusual
the witness examined by the lawyer turned out to unreliable
thought to reflect/updating repair of existing mental structure
Also, it does not have to be language specific.
What are the strenghts of EEG?
- we need this because language processing is fast and occurs at small timescales
no overt response required (similar for fMRI): participants can read or listen to stimuli or less as normal, without having to press buttons, verbalize their thoughts and so on
What are the limitations of EEG?
- experiments require many trials of the same/similar stimuli to achieve a clear signal: the waveforms from single trials look almost random
What is dichotic listening, that is used for lateralization of language function?
What parts of language processing are performed by the right hemisphere?
(e.g. stella went riding her bike. The next day she was covered in bruises)
processing non-literal meaning (e.g. a warm person, my job is a jail)
processing the paralinguistic meaning of prosody (emotion, emphasis, sarcasm, etc.)
What does the declarative memory: ventral stream regulate?
- knowledge about ‘what’
- important for accessing word meanings
What does the procedural memory: dorsary stream regulate?
- knowledge about ‘how’
- important for processing sounds, articulation, word repetition.
From what do people with amusia suffer from?
Do people who have aphasia or other language disorders also have trouble with making sense out of music?
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