Neurobio of cognition Flashcards
What is cognition?
The mental action or process of acquiring knowledge and understanding through thought, experience and the senses
Frontal lobe functions?
Voluntary movement Reasoning Exec function Personality Inhibition Expressive language Initiative
Frontal lobe testing?
Verbal fluency
Cog estimates
Proverb interpretation
Luria 3 step test
Parietal lobe functions?
Knowing right from left Reading Writing Body orientation 2 point discrimination
Temporal lobe functions?
Speech understanding Memory Hearing Emotion Facial recognition Sense of identity
occipital lobe functions?
Primary visual reception area
What is Broca’s area?
an area of the frontal lobe on the dominant hemisphere linked to speech production
What is Wernicke’s area?
An area in the temporal lobe on the dominant side linked to language comprehension
What is the limbic system?
Structures that have a special role in emotions, visceral regulation and memory
Hypothalamus
Amygdala
Hippocampus and dentate gyrus
Cingulate gyrus
Function of hippocampus?
Forming new memories
Spatial memory and navigation
Functions of amygdlaa?
Emotions
Right sided- Negative emotions
Left sided- Both pleasant and unpleasant emotions
Features of Alzheimer’s?
Dementia
Insidious onset with slow deterioration
Absence of other cause
Absence of neuro signs
Pathology of AD?
Amyloid plaques
Neurofibriallary tangles
Features of Vascular dementia?
Stepwise deterioration
Associated with cardiac disease
Features of LBD?
Progressive dementia- deficit in attention and executive function
Attention and alertness
Recurrent visual hallucinations
Features of parkinsonism
