Neuroanatomy and Neurochemistry of Cognition Flashcards
What is cognition?
The mental action or process of acquiring knowledge and understanding through thought, experience and the senses
What are the functions of the frontal lobe?
Voluntary movement Reasoning Executive function Personality Inhibition Initiative Expressive language
What are the functions of the parietal lobe?
Knowing left from right Reading/Writing Body orientation Calculation Two point discrimination Graphaethesia
What is Dyslexia?
A general term for disorders that can involve difficulty in learning to read or interpret words, letters and other symbols
What is Apraxia?
Inability to perform complex movements in the presence of normal motor, sensory and cerebellar function
What is Agnosia? (Tactile agnosia)
Inability to recognise or discriminate
What is Gerstmann syndrome?
Characterised by acalculia, agraphia, finger anomia and difficulty in differentiation of left and right
What are the functions of the Temporal lobe?
Understanding speech Memory Hearing Emotions Sense of identity Recognising faces
What is the function of the Occipital lobe?
Primary visual reception area
What is Broca’s area?
a region in the frontal lobe of the dominant hemisphere (usually the left) of the hominid brain with functions linked to speech production.
What is Wernicke’s area?
is one of the two parts of the cerebral cortex.
It is involved in the comprehension and understanding of written and spoken language
What role does the Limbic System have a part in?
Emotional experience and Visceral regulation
What is the main function of the Hippocampus?
Memory
forming new memories
Spatial memory
Navigation
What is the primary structure of the limbic system comprised of?
Hypothalamus
Amygdala
Hippocampus and Dentate Gyrus
Cingulate gyrus
What is the Hypothalamus?
Main integrator of the autonomic and the endocrine system
What is the Circuit of Papez?
Includes;
Hippocampus, fornix, mamillary bodies, anterior thalamic nuclei, cingulate gyrus and the enterohinal cortex