Week 6 - CNS Flashcards
Glial cells
Supporting neurons in many ways
90% of human brain cells
Major types of glial
Cerebellum
Integrates coordination
Medulla
Integrates lots o afferent singals but, also, has centres that regulate breahting and heartrate
Hypothalamus and pituitary gland
Mentioned in endocrine lecutures
Cerebral cortex
Divided into 4 lobes
- outer part of brian
Name 4 lobes
Frontal
Parietal
Temporal
Occipital
Frontal lobe
Involved in higher mental functions -> planning, such as recognising future consequences from current actions
-> supporesses unacceptable social responses
-> determine similarities between things or events in memory
Phineas cage
Shows brain has regions, accident changed his entire personality
Transorbital lobotomy
Cut off part of frontal lobe -> makes them emotionally dull but did help with mental illnesses eg. Scitzophrenia, depression
Parietal lobe
Associated with ability to interpret sensations
- damage can lead to visual agnosia, auditory or tactile agnosia
- specific senses not defective, nor memory but can be disconnected between visual, auditory and somatosensory inout ans higher level porcessing
Does the parietal lobe include the postcentral gyruus?
Yes
Occipital lobe
- where sensation from optic nerve goes to
- if no receptors here, inlind spot, brain maos an image that reflects thee 2D image on the retina
Temporal lobe
Smell, sound, porcessing
- associated ith memory - visual, processing sensory inpput, spatial memory, language, new memories
