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Introduction - HOEFT NIET

19 important questions on Introduction - HOEFT NIET

Assuming that our brains actively represent all itemts in the memory set. The recognition process might work in one of two ways. Which two ways do we have?

1. A highly efficient system might simultaneaously compare a representation of the target with all of the items in the memory set
2. Recognition process might be able to handle only limited amount of information at any point of time

A highly efficient system might simultaneaously compare a representation of the target with all of the items in the memory set > how is this process called?

Parallel process

Recognition process might be able to handle only limited amount of information at any point of time > how is this process called?

Sequential/serial process

What does the stroop effect demonstrates

The multiplicity of mental representations: one representation correspronds to the color of each stimulus and the second corresponds to the color concept associated with each word

What does the fact that participants name colors slower when the ink color and words mismatched indicate?

That the second representation is activated even though it is irrelevant to the task

...... Are stronger evidence than ........... That damage to a particular brain region may result in a selective deficit of a certain cognitive operation

Double dissocations are stronger evidence than single dissociations

What does vascular disorders contain

The brain uses 20% of our oxgen even though it only makes up 2% of our body mass. A continuous supply of oxygen is essential and a loss of oxygen (as short as 10 minutes) can result in neuronal death

Where does a stroke of particular artery leads to

The destruction of tissue in a predictable consistent anatiomical location

What happens when the infarct is near the brainstem

A person may lose consciousness and die within minutes

Where do most brain tumors originate

In glial cells and other white matter tissue

When are tumors benign

Tumors that do not reoccur after removal or stay in the are of their germination are benign

When are tumors malignant

If they do recur + often appear in other areas

What is the first concern when it comes to tumors

The location of the tumor, this concern is greatest when the tumor threatens critical neural structures

What are degenerative disorders

Associated with both genetic aberrations and environmental agents. Diagnosis of degenerative disorders is usually conformed by MRI scans.

What are consequences of traumatic brain injuries

Include swelling (edema) and increased intracanial pressure causing decreased perfusion pressure and blood flow.

What happens with diffuse axonal injury (most common TBI)

Disrupts the axonal cytoskeleton and transport

What can you see on the EEG during a seizure

Large amplitude osciallations, the frequency of seizures a highly variable

Difference between single dissocation and double dissociation

- Single dissociation: we may assume that two tasks are equally sensitive to differences between the two brain areas, but that is often not the case. One task may be more demanding, require more concentration

- double dissocation: indentifies whether two cognitive functions are independent of each other, they can be sought when comparing groups.

Which dissocation is better single or double?

Double dissocatiations offer the strongest neuropsychological evidence that a patient or patient group has a selective deficit in certain cognitive operation

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Brein en Cognitie 3

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Introduction - HOEFT NIET

19 important questions on Introduction - HOEFT NIET

Assuming that our brains actively represent all itemts in the memory set. The recognition process might work in one of two ways. Which two ways do we have?

A highly efficient system might simultaneaously compare a representation of the target with all of the items in the memory set > how is this process called?

Recognition process might be able to handle only limited amount of information at any point of time > how is this process called?

What does the stroop effect demonstrates

What does the fact that participants name colors slower when the ink color and words mismatched indicate?

...... Are stronger evidence than ........... That damage to a particular brain region may result in a selective deficit of a certain cognitive operation

What does vascular disorders contain

Where does a stroke of particular artery leads to

What happens when the infarct is near the brainstem

Where do most brain tumors originate

When are tumors benign

When are tumors malignant

What is the first concern when it comes to tumors

What are degenerative disorders

What are consequences of traumatic brain injuries

What happens with diffuse axonal injury (most common TBI)

What can you see on the EEG during a seizure

Difference between single dissocation and double dissociation

Which dissocation is better single or double?

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