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brain1
parts of the brain
| Term | Definition |
|---|---|
| frontal lobe | located at the front of the brain , thinking, planning, social skills |
| broca's area | speech production and grammar |
| parietal lobe | touch, non verbal thinking |
| occipital lobe | vision |
| wernickes area | speech comprehension |
| temporal lobe | language, hearing, visual pattern recognition |
| endocrine system | collection of glands that control various bodily functions through the secretion of hormones. through the blood streem |
| axon | carries information to another neuron |
| neurotransmitter | transmit information from one neuron to another as they are released into the synapse |
| somatic nervous system | carries sensory information to the brain and motor neurons that direct the action of skeletal muscles |
| autonomic nervous system | controls basic life processes such as heartbeat digestive system and breathing |
| forebrain - cerebrum and cortex | allows much more sensory cognitive and motor processes , emotional cognitive and behavioural processes |
| spinal cord | carries out reflexes transmits messages from the brain to the muscle and organs |
| hindbrain - medulla oblongata - cerebellum and parts of the reticular formation | link the brain to the spinal cord , controlling the supply of air and blood to cells in the body and regulate arousal level. , MOVEMENT |
| midbrain- tectum and tegmentum | help humans orient to visual and auditory stimuli with eye and body movements VISION AND HEARING |
| name the 3 kinds of neurons | sensort , motor and interneurons |
| sensory neuron | transmits receptors to the brain either through spinal cord or directly |
| interneurons | nerve cells that connect other neurons with one another |
| motor neurons | transmit commands to glands and body through spinal cord |
| axon | long extention from the cell body as long as 1 meter, axons have 1 or 2 shoot offs called collateral branches |
| myelin sheath | transmit information to other neurons |
| hypothalamus | hunger thirst aggression |
| amygdala | aggression and fear |
| cerebral cortex | behaviour and higher mental processes |
| corpus callosum | thick band of axons connecting the two hemispheres of the cerebral cortex |
| thalamus | relays sensory messages to cortex |
| pons | movement walking sleep and dreaming |
| cerebellum | balance movement perception |
| medulla | breathing heartbeat , life functions |
| absolute threshold | minimum amount of physical energy needed for an observer to notice a stimulus |