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Brain Structure&Fun.
U3:-Ch.2-L1 (3)
| Question | Answer |
|---|---|
| Cortex | Highly wrinkled outer layer of the cerebrum & cerebellum (Forebrain); gray matter |
| Limbic System | A group of sub-cortical structures (Hypothalamus, Hippocampus, & Amygdala) of the brain that deal with emotion & motivation |
| Brain Stem | Oldest part of the brain composed of the Mesencephalon, Pons, & Medulla Oblongata; connects the spinal cord with the forebrain & Cerebrum |
| What is the Brain Stem alternatively referred to as? | Reptillian Brain or R-Complex |
| Neurons | Grayish or reddish granular cells with specialized processes that is the fundamental functional unit of nervous tissue in the brian |
| Cerebral hemisphere | The two interconnected spheres or lobe responsible for the higher-level thinking |
| Synapse | Space between nerve cells where nervous impulses pass from neuron to another |
| Sensory gating | Regulation of transmission of stimuli to the brain; Neuron spike point |
| Sensory overload | When too much data reaches the brain |
| Axon | Long fibers that send electrical impulses& release neurontransmiters |
| Dendrite | Any of the usually branching protoplasmic processes that conduct impulses toward the body of a nerve cell |
| Neuro Transmitter | A chemical molecule (like Norepinephrine or Acetylcholine) that transmit nerve impulses across a synapse |
| Neutral Plasticity | The property of neutral circuity to potentially acquire nearly any function |
| What are the 3 parts of the human brain? | Neocortex, the Limbic System, & Brain Stem |
| Where does most high-order thinking & Abstract thought occur? | Neocortex |
| What do the two hemispheres of the Neocortex help with? | Making connections between various stimuli making comprehension possible & to derive meaning |
| What happens to the Neocortex when humans learn? | The structure & chemistry of the nerve cells change? |
| What is Fight or Flight response? | A complex set of reactions to a perceived threat |
| What is the simplest act the nervous system can perform? | The Withdrawal reflex |
| What is Downshifting? | When information processing moves from the higher-level thinking regions of the brain (Neocortex & Limbic System) down into the brain stem & automatic responses of reflex |
| What is sacrificed when there is a perceived threat? | Speed |
| What does the Medulla control? | Heart rate, breathing, & digestion |
| What does the Cerebellum coordinate? | It links sensory input with muscle movement |
| What does the mid-brain connect? | Human emotions & formation of long-term memory |
| What does the Limbic System linked to? | Hormones, drives, temperature control, & emotion |
| What part is crucial in regulating drives & actions? | The Hypothalamus |
| What is the Amygdala connected to? | Aggressive behavior |
| What is the job of the Reticular Activating System (RAS)? | To response to incoming & urgency of data |
| Making decisions, planning, voluntary Muscle movement are associated with what? | The Frontal Lobes |
| What do the Frontal lobe process & control? | It process speech, sound, & emotions; it controls responses & reactions |
| What is the Parietal lobe associated with? | Our sense of touch |
| What is the Temporal lobe associated with? | Emotions |
| What is the Occipital lobe assoicated with? | Visual input & perceiving spatial relationship |
| What are the primary sensory systems? | Vision, smell, taste, touch, & sound |
| What specializes in movement & receiving information from primary sensory systems? | The Motor Cortex |
| How does the Nervous System link the body to the external environment? What does this allow? | Through the sensory organs, allowing to responses to stimuli |
| Nerve fibers are also what? | Sensory neurons |
| Nerve Processing centers are called what? | Interneurons |
| What is muscle memory? | When the body stores signals to make body parts move in certain ways |
| What is Taxon memory system about? | Handles role memorization of date |
| What is Locale Memory system about? | Stores mental maps |
Created by:
Imeanimagineonlyif
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