A walk through the brain - Week 2 Flashcards
What does the nucleus accumbens associate with?
Feelings of reward
What neurotransmitter does the nucleus accumbens trigger?
Dopamine
What are the 6 things the cerebellum is associated with?
Fear
Language
Attention
Balance
Pleasure
Procedural memories
What are the 3 key ares of the brain stem?
Medulla oblongata
Pons
Mid brain
What does the brain stem associate with?
Breathing
Digestion
Heart rate
Autonomic processes
Connects spinal cord with brain
What’s another name for the Cerebrum?
Forebrain
What’s the percentage of the cerebum brain volume?
75%
What’s the cerebrum weight percentage in the brain?
85%
What 4 lobes does the cerebrum split into?
Frontal lobe
Parietal lobe
Occipital lobe
temporal Lobe
What are fissures?
deep grooves
What are sulci?
shallow grooves
What are gyri?
Brain bumps
What does the longitudinal fissure do?
Splits the cerebrum into 2 hemispheres
What are the nerve fibres called that link the brain hemispheres?
Corpus callosum
What’s another name for the cerebral cortex?
Neo cortex
What are the 6 layers of the cerebral cortex?
Molecular
External grandula
External Pyramidal
Interal granular
internal pyramidal
White matter
M iss
G o
P ee
G o
P ee
M iss
What is pia mater?
Very fine layer of fibrous connective tissue lined with a simple epithelial layer composed of pial cells
What is the cerebral cortex?
The outermost layer of the brain containing grey matter. Responsible for ‘higher order’ functions
What are 3 important parts of the limbic system?
Hypothalamas
Hippocapus
Amygdala
What does grey matter contain?
Cell bodies of neurons
Unmyelinated axons
Glial cells
Blood vessels
CUGB
What is the function of the prefrontal cortex?
High-order cognitive processes e.g.:
- Decision making
- Reasoning
- Personality
- Social cognition
What are 9 key functions of the Prefrontal cortex?
- Empathy
- Insight
- Response flexibility
- Body regulation
- Emotion regulation
- Morality
- Intuition
- Attuned communication
- Fear modulation
F I R E I E B M A
