Biopsychology & Brain Injury

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Structural Brain Imaging Methods

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Techniques like CT, MRI, and DTI that provide static images of the brain's structure.

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Functional Brain Imaging Methods

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PET, fMRI, and EEG are examples of this type of method, which provides dynamic information about brain activity.

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Flashcards for Biopsychology lecture on Brain Injury

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27 Terms

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Structural Brain Imaging Methods

Techniques like CT, MRI, and DTI that provide static images of the brain's structure.

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Functional Brain Imaging Methods

PET, fMRI, and EEG are examples of this type of method, which provides dynamic information about brain activity.

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TMS (Transcranial Magnetic Stimulation)

Stimulation technique using magnetic fields.

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Neuropsychology

Studying the relationship between brain lesions and behavior.

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Temporal Resolution

Refers to the precision of a measurement with respect to time.

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Spatial Resolution

Refers to the precision of a measurement with respect to location or size.

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Electroencephalography (EEG)

EEG

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Magnetoencephalography (MEG)

MEG

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Event-Related Potentials (ERPs)

Signals derived from EEG recordings that are time-locked to specific events or stimuli and require averaging across multiple trials.

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Computed Tomography (CT)

Technique involving X-rays to construct structural images of the brain.

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Magnetic Resonance Imaging (MRI)

A neuroimaging technique that uses magnetic fields and radio waves to create detailed images of the brain's structure.

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Diffusion Tensor Imaging (DTI)

Measures the diffusion of water molecules in the brain to visualize white matter tracts.

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Functional MRI (fMRI)

A functional neuroimaging technique that detects changes in blood flow to identify brain regions active during specific tasks.

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Positron Emission Tomography (PET)

Functional imaging technique that uses radioactive tracers to map brain activity.

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BOLD

The blood oxygen level-dependent signal; the signal measured by fMRI.

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Lesion Method

A method in which brain function is inferred by observing the effects of brain injury.

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Traumatic Brain Injury (TBI)

Impairment in brain function as a result of mechanical force.

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Closed Head Injury

Brain injury caused by impact where the skull is not penetrated.

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Open Head Injury

Brain injury where an object penetrates the skull.

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Primary Brain Injury

Brain injuries that occur at the moment of impact.

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Secondary Brain Injury

Brain injuries that evolve over time after the initial impact and can involve hypoxia.

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Glasgow Coma Scale (GCS)

A scale used to assess the level of consciousness in patients with head injuries.

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Stroke

Cerebrovascular accident caused by rupture or blockage of a blood vessel in the brain.

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Dementia

Progressive decline in cognitive function, often associated with Alzheimer's disease or other disorders.

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Tumor

A mass of cells whose growth is uncontrolled and serves no useful function

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Ischemic Stroke

Cerebrovascular accident caused by occlusion of blood vessel

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Hemorrhagic Stroke

Cerebrovascular accident caused by rupture of cerebral blood vessel