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Psychiatry Week 3 > Neurobio of cognition > Flashcards

Flashcards in Neurobio of cognition Deck (19)
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1

What is cognition?

The mental action or process of acquiring knowledge and understanding through thought, experience and the senses

2

Frontal lobe functions?

Voluntary movement
Reasoning
Exec function
Personality
Inhibition
Expressive language
Initiative

3

Frontal lobe testing?

Verbal fluency
Cog estimates
Proverb interpretation
Luria 3 step test

4

Parietal lobe functions?

Knowing right from left
Reading
Writing
Body orientation
2 point discrimination

5

Temporal lobe functions?

Speech understanding
Memory
Hearing
Emotion
Facial recognition
Sense of identity

6

occipital lobe functions?

Primary visual reception area

7

What is Broca's area?

an area of the frontal lobe on the dominant hemisphere linked to speech production

8

What is Wernicke's area?

An area in the temporal lobe on the dominant side linked to language comprehension

9

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

10

Function of hippocampus?

Forming new memories
Spatial memory and navigation

11

Functions of amygdlaa?

Emotions

Right sided- Negative emotions

Left sided- Both pleasant and unpleasant emotions

12

Features of Alzheimer's?

Dementia
Insidious onset with slow deterioration
Absence of other cause
Absence of neuro signs

13

Pathology of AD?

Amyloid plaques
Neurofibriallary tangles

14

Features of Vascular dementia?

Stepwise deterioration

Associated with cardiac disease

15

Features of LBD?

Progressive dementia- deficit in attention and executive function

Attention and alertness
Recurrent visual hallucinations

Features of parkinsonism

16

pathology of LBD?

Alpha-synuclein proteins within the cytoplasm of neurnones
Loss of dopamine in substantia nigra
Loss of Ach producing neurones

17

Types of fronto temproal dementia?

Behavioural variant
Semantic
Progressive non fluent

memory, perception, spatial skills, praxis usually preserved

18

Pathology of FTD?

Pick bodies
Pick cells

19

Features of alcohol related dementia?

Apraxia
Aphasia
Agnosia
Exec function