The nervous system
Terms
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- Neuron: Soma
- Cell body
- Neuron: axon
- Transmits information down the length of the axon into the axon terminal
- Neuron: Dendrite
- Receive information (electrical) from environment and other cells
- Neuron: Myelin Sheath
- Insulates the neuron electrical signal
- Neuron: Axon terminal
- Where the electrical signal ends and the chemical signal begins
- Receptor neuron
- Recieves information from the enviroment --sight, sound, taste, touch, and smell--
- Sensory neuron
- Sends information from your PNS (Peripheral nervous system) to your CNS (Central nervous system)
- Interneuron neuron
- Relays the signal between the censory and motor neuron
- motor neuron
- Sends informations from the spin (CNS) to the effector (Muscle or gland)
- How does cocaine alter neurotransmitters?
- Dopamine transporter is blocked by cocaine
- How does Nicotine alter neurotransmitters?
- Neurons fire a lot faster
- How does methamphetamines (extacy) alter neurotransmitters?
- they mix in with the dopamine
- auditory cortex
- hearing
- primary visual cortex
- Vision
- Frontal cortex
- thinking
- Hippocampus
- primitive brain function -balance
- motor cortex
- language/ speech
- Regions of the brain: Midbrain
- Pineal- sleep horomone
- Regions of the brain: Cerebellum
- regulates initiation, timing of movements, and is important to maintaining balance and posture. and helps modulate force
- Regions of the brain: hypothalamus
- thirst, hunger, drive
- Regions of the brain: Brainstem
- Connects brain and spinal cord. Controls many basic functions including heart rate, breathing, eating, and sleeping
- Regions of the brain: Spinal cord
- Relays information from the brain to the PNS
- Regions of the brain: Cerebrum
- Contain frontal, prietal, and occipital lobe
- Dopamine
- Pleasure neurotransmitter
- Amgydalla
- a roughly almond-shaped mass of gray matter deep inside each cerebral hemisphere, associated with the sense of smell.
- Areas of the cerebral cortex:Temporal lobe
- Memory, emotions, hearing, language, and learning
- Areas of the cerebral cortex: Frontal
- Decision making, problem sloving, control of purposeful, behaviors, consciousness, and emotions
- Areas of the cerebral cortex: Parietal
- Receives and processes censory information. words combine into thoughts. letters form words
- Areas of the cerebral cortex: Occipital
- Processes information related to vision
- What happened to Phineas gage?
- Had a terrible accident where rod went through his brain. lived. after accident he acted rude and childish compared to nice old self. Helped scientists figure out where the personality was controlled in the brain and contributed to the understanding of how the brain processed information.
- How do drugs affect the brain?
- Kill neurons and decrease brain activity