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| Brain Plasticity |
Damage to one side of brain, other may compensate |
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ello Wed, 12 Oct 2011 03:13:40 GMT |
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| Left Hemisphere |
Language center so reading and writing |
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ello Wed, 12 Oct 2011 03:13:03 GMT |
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| Right Hemisphere |
Spatial task, emotional processing and judging of time |
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ello Wed, 12 Oct 2011 03:13:03 GMT |
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| Sperry and Gazzaniga |
Studied patients with epilepsy, and severed corpus collosums |
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ello Wed, 12 Oct 2011 03:13:03 GMT |
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| Cerebral Cortex |
2 Hemispheres w/ conta-lateral control
-Connected by Corpus Collosum |
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ello Wed, 12 Oct 2011 03:13:03 GMT |
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| HIppocampus |
Contains memory of personal events |
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ello Wed, 12 Oct 2011 03:11:32 GMT |
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| Amygdala |
fear, agression, and defined behaviors |
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ello Wed, 12 Oct 2011 03:11:32 GMT |
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| Limbic System |
Amygdala, and hippocampus |
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ello Wed, 12 Oct 2011 03:11:31 GMT |
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| Hypothalamus |
Regulation of eating, drinking, body temperature, and sexual behavior |
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ello Wed, 12 Oct 2011 03:11:31 GMT |
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| Thalamus |
Relay center which processes sensory input before sending on to cortex |
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ello Wed, 12 Oct 2011 03:10:30 GMT |
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| Subcortical structures |
Thalamus, Hypothalamus, Limbic System |
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ello Wed, 12 Oct 2011 03:10:30 GMT |
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| Cortex |
80% of brain is here |
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ello Wed, 12 Oct 2011 03:10:30 GMT |
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| Substantia Nigra |
Group of neurons that release dopamine (Implicated in parkinson's disease) |
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ello Wed, 12 Oct 2011 03:10:30 GMT |
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| MRI |
Magnets that are non-invasive and show structure and function |
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ello Wed, 12 Oct 2011 03:07:05 GMT |
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| PET Scan |
Function of brain-harmless radioactive glucose |
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ello Wed, 12 Oct 2011 03:07:05 GMT |
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| CT Scan |
Scans structures of brain/Xray for brain |
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ello Wed, 12 Oct 2011 03:07:05 GMT |
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| EEG |
Scans overall brain wave activity |
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ello Wed, 12 Oct 2011 03:07:05 GMT |
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| Autoreceptors |
Structures on presynaptic neuron that suck up neurotransmiters and discard them. |
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ello Wed, 12 Oct 2011 03:05:31 GMT |
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| Enzymes |
Break down neurotransmitters |
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ello Wed, 12 Oct 2011 03:05:31 GMT |
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| Terminal Buttons- What they do |
Vesicles rupture and spill out neurotransmitters |
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ello Wed, 12 Oct 2011 03:05:31 GMT |
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| Nodes of Ranvier |
Allows jumps along axon |
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ello Wed, 12 Oct 2011 03:05:31 GMT |
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| Pain/Pleasure |
Result in same firing no matter strength of stimulus |
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ello Wed, 12 Oct 2011 03:03:19 GMT |
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| Refractory period |
recovery/rest period |
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ello Wed, 12 Oct 2011 03:03:19 GMT |
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| Sodium and Chloride |
High concentration outside of the neuron |
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ello Wed, 12 Oct 2011 03:03:19 GMT |
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| Action Potential |
Electrical signal that moves down the axon |
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ello Wed, 12 Oct 2011 03:03:19 GMT |
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| Potassium (Inside)(Negative) |
Higher concentration inside neuron |
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ello Wed, 12 Oct 2011 03:01:52 GMT |
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| Synapse |
small gap between axon of a single neuron and the dendrite of the next neuron |
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ello Wed, 12 Oct 2011 03:01:52 GMT |
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| Resting potential |
Difference in electrical charge between inside and outside of a neuron |
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ello Wed, 12 Oct 2011 03:01:52 GMT |
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| Neural Conductions |
electrical part of synapse |
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ello Wed, 12 Oct 2011 03:01:52 GMT |
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| Terminal buttons |
Filled with neurotransmitters |
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ello Wed, 12 Oct 2011 02:59:29 GMT |
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| Axon |
1 per neuron- short or 3-4ft
What message travels along |
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ello Wed, 12 Oct 2011 02:59:29 GMT |
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| Soma |
Cell body which decides what to do with messages |
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ello Wed, 12 Oct 2011 02:59:29 GMT |
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| Dendrites |
Detect messages |
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ello Wed, 12 Oct 2011 02:59:28 GMT |
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| Myelin Sheath/glial cell |
helps with transmission |
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ello Wed, 12 Oct 2011 02:58:27 GMT |
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| Transmission |
1 neuron talking to another |
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ello Wed, 12 Oct 2011 02:58:27 GMT |
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| Interneurons |
between sensory and motor neurons
-communicates through electrochemical process known as conduction |
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ello Wed, 12 Oct 2011 02:58:27 GMT |
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| Motor Neurons |
response to stimulus |
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ello Wed, 12 Oct 2011 02:58:27 GMT |
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| Sensory Neurons |
Eyes, Ears, Skin |
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ello Wed, 12 Oct 2011 02:56:18 GMT |
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| Neurons |
200 billion
-Sensory,Motor,Interneurons
-Composed of Dendrites, Soma, Axon, and Terminal buttons |
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ello Wed, 12 Oct 2011 02:56:18 GMT |
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| Parasympathetic(Autonomic) |
Calms us down after emergencies |
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ello Wed, 12 Oct 2011 02:56:18 GMT |
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| Sympathetic nervous system (Autonomic) |
arouses us in emergencies |
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ello Wed, 12 Oct 2011 02:56:18 GMT |
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| Autonomic(PNS) |
Automatic processes such as heart rate, blood pressure, etc. |
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ello Wed, 12 Oct 2011 02:54:41 GMT |
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| Somatic (PNS) |
neurons go to brain and to muscles to initiate movement |
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ello Wed, 12 Oct 2011 02:54:41 GMT |
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| Periferal Nervous System |
Controls all processes that the CNS does not. |
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ello Wed, 12 Oct 2011 02:54:41 GMT |
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| Central Nervous System |
Controls brain, spinal cord, and reflexes |
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ello Wed, 12 Oct 2011 02:54:41 GMT |
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| Frontal Lobe |
Higher level of cognitive thinking.
-Motor skills, memory, planning and personality |
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ello Wed, 12 Oct 2011 02:52:15 GMT |
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| Parietal Lobe |
Processes sense of touch
-Somatic Sensory Cortex |
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ello Wed, 12 Oct 2011 02:52:15 GMT |
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| Temporal Lobe |
Auditory information (Wernicke's Area) |
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ello Wed, 12 Oct 2011 02:52:15 GMT |
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| Occipital Lobe |
Vision/Processing visual information |
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ello Wed, 12 Oct 2011 02:52:15 GMT |
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| Hippocampus |
Critical for creation and storage of memories |
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ello Wed, 12 Oct 2011 02:50:35 GMT |
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| Amygdala |
Plays a central role in many emotional processes |
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ello Wed, 12 Oct 2011 02:50:15 GMT |
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| Hypothalamus |
Regulates body temp, hunger, thirst and sexual behavior |
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ello Wed, 12 Oct 2011 02:50:15 GMT |
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| Thalamus |
Relays and filters information from the senses and transmits the info to the cerebral cortex |
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ello Wed, 12 Oct 2011 02:50:15 GMT |
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| Cerbral Cortex |
Outer most layer of brain |
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ello Wed, 12 Oct 2011 02:50:15 GMT |
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| Forebrain |
highest level of the brain.
-Controls complex cognitive, emotional, sensory and motor functions |
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ello Wed, 12 Oct 2011 02:49:19 GMT |
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| Tegmentum |
Involved in moving and arousal. Orients organism towards sensory stimuli. |
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ello Wed, 12 Oct 2011 02:49:19 GMT |
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| Tectum |
Orients an organism in the environment |
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ello Wed, 12 Oct 2011 02:49:19 GMT |
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| Midbrain |
Orients an organism |
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ello Wed, 12 Oct 2011 02:49:19 GMT |
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| Pons |
Link Between cerebellum and rest of brain |
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ello Wed, 12 Oct 2011 02:48:04 GMT |
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| Cerebellum |
Controls fine motor skills |
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ello Wed, 12 Oct 2011 02:48:04 GMT |
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| Medula Oblongata |
Blood Pressure, Heart Rate, Respiration |
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ello Wed, 12 Oct 2011 02:48:04 GMT |
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| Hindbrain |
Information in- and out of spinal cord |
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ello Wed, 12 Oct 2011 02:48:04 GMT |
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| Patterns of activation |
Look at groups of neurons which are firing |
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ello Wed, 12 Oct 2011 01:21:19 GMT |
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| Antagonists |
Bind at sites incompletely-block firing |
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ello Wed, 12 Oct 2011 01:21:19 GMT |
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| Agonists |
Bind at same receptor sites and cause firing |
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ello Wed, 12 Oct 2011 01:21:19 GMT |
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| SSRI's |
Selective Seratonin Reuptake inhibitors |
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ello Wed, 12 Oct 2011 01:21:19 GMT |
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| Reuptake |
Recycle of neurotransmitters. Vesicles that released neurotransmitters reabsorb them |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Autoreceptors |
Structures on presynaptic neurons that suck up neurotransmitters and discard them |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Endorphines |
neuromodulators which are produced in times of stress and exertion and modulate pain |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Glutamate |
Helps with transmission of message |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Norepinephrine |
Controls mood arousal and vigilance |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| GABA |
Regulates anxiety
Too much GABA causes Huntington's |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Seratonin |
Affects sleep, dremaing and general arousal
Too little Seratonin=Pms,Depression, and obesity |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Dopamine |
Stabliizes brain communication, and helps with movement, perception and emotional expression
Too much=schizophrenia
Too little=Parkinson's |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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| Acetylcholine |
Contraction of muscles
Too little=bad memory, alzheimers and bad posture |
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ello Wed, 12 Oct 2011 01:19:40 GMT |
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