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Psychology - Brain
Brain Stuff
| Info | answer |
|---|---|
| Name 4 lobes | Frontal, Parietal, Occipital, Temporal |
| Frontal Lobe | - Initiating body movement, Language, planning, judgement, Problem solving, aspects of personality/emotion |
| Parietal Lobe | Somatosensory cortex - Receives info on sensation, Body and spatial awareness |
| Occipital Lobe | Primary visual cortex - Processing visual stimuli, Face and object recognition |
| Temporal Lobe | Primary auditory cortex - Auditory analysis |
| Alzheimer's disease symptoms and treatments | Gradual memory loss (severe) - declarative memory, confusion, depression, impaired thinking Treatment - increase acetylcholine, clear away protein plaque |
| Parkinson's disease symptoms and treatments | Symptoms - Slowness of movement, involuntary movements, pain, depression, dementia Treatments - pre-curser for dopamine drugs, block dopamine breakdown |
| Dopamine | some motor controls - feelings, motivation, behavior, pleasure - Associated W Addiction |
| Excitatory neurotransmitter | Increase action potential - Glutamate |
| Inhibitory neurotransmitter | Decrease action potential - GABA |
| Serotonin | Affects sleep, sex, smooth muscle contraction - mood regulation |
| Epinephrine | Emotion, fear/anxiety - affects arousal, FFF, increase heart rate - blood pressure |
| Norepinephrine | regulate mood +concentration - affects arousal, enables body+ brain action, increase blood flow/heart rate |
| Acetylcholine | Learning and Memory - controls muscle contractions +REM sleep |
| Spinal Reflex | Monosynaptic-Involves 1 synapse; afferent neuron sends impulse from receptor to spinal cord, efferent neuron sends response to muscle. Polysynaptic - Involves ≥2 synapses; afferent neuron -> interneuron(s) before efferent neuron sends response to muscle. |
| Langauge processing | Broca's, Wernicke's, Gerschwind's |
| Broca's Area | Speech Production |
| Wernicke's Area | Understanding speech |
| Gerschwind's Area | Connecting B and W Area's - multimodal processing + interpret and classify info |
| Nervous System | Central Nervous System + Peripheral Nevous System (Snsory Division + Motor Division (Somatic NS + Autonomic NS (Sympathetic NS + Parasympathetic NS)))) |
| Part involved in emotion | Amygdala, Hippocampus, Hypothalamus, Prefrontal corext |
| Amygdala | Involved in activation of some emotions - memory formation - in the temporal lobes (right hemi = negative emtions, left hemi = positive emotions) |
| Hypothalamus | Involved in homeostasis - controls our reaction in stressful situations - involved in physiological responses to fear-inducing emotional stimuli |
| Hippocampus | Regulation and expression of memory/emotions |
| Voluntary Movement | Basal Ganglia, Crebellum, Primary Motor Cortex |
| Basal Ganglia (VM) | Gathers info and channeling it to motor cortex - blocks movement not suitable to end goal. |
| Cerebellum (VM) | Stores sequences of movements that have been previously learnt - gets info from other area to ensure smooth, effortless movements |
| Primary Motor Cortex (VM) | Activating neural impulses that initiate voluntary movements of SKELETAL muscles |
Created by:
Grace`1
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