Psychology: Chapter 3 -- Biological Foundations

27 cards


 
  
Created Dec 10, 2012
by
watercolorpaintedsky

 

 
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1
Perpherial Nervous System 
 
Autonomic: inside  Somatic: outside 
2
Autonomic System 
 
Sympathetic: prepares the body for action  Parasympathetic: returns the body to resting...
3
Sensory neurons (afferent neurons)
 
detects informationfrom the physical world and sends this information to the brain via the...
4
Motor neurons (efferent neurons) 
 
responsible for movement. 
5
Interneurons 
 
The mediator between sensory and motor 
6
Dendrites 
 
Branch like appendages that detect information from other neurons 
7
Cell Body 
 
the information received from other neurons is collected and integrated. 
8
axon 
 
a long narrow structure by which information is transmitted to other neurons. 
9
Terminal buttons 
 
small nodules at the ends of axons that release chemical signals from the neuron to the synapse 
10
Synapse
 
The site for chemical communication between neurons 
11
Resting Membrane Potential 
 
When a neuron is resting (not active) the inside and outside differ electrically, a phenomenon...
12
All or None Principal 
 
A neuron fires with the same potency each time. 
13
Action Potential 
 
When an excitatory signal is processed, this leads to an Action potential (the neural impulse...
14
Agonists 
 
enhances the neuros actions by: increasing the release of neuros, blocking the re-uptake of...
15
Antagonist 
 
inhibits the neuros actions by: blocking the release of neuros, destroying neuros in the synapse...
16
Cerebellum
 
important for balance and movement. 
17
The Hypothalamus 
 
the brain's master regulatory structure. (The 4 F's: Fighting, Fleeing, Feeding, "Mating") 
18
Thalamus 
 
Gets info, directs all functions except smell. 
19
Hippocampus 
 
Vital to memory 
20
Amygdala 
 
Emotional responses 
21
The Basal Ganglia 
 
a system of subcortical nuclei responsible for producing and planning movement. 
22
The Cerebral Cortex
 
Outer layer of the brain and is divided into four parts. 
23
Occipatial Lobes 
 
right at the back of the head and is important for vision. 
24
Parietal lobes 
 
responsible for touch; the mid-top part of the brain 
25
Temporal lobes 
 
responsible for hearing; side of the brain 
26
Frontal lobes 
 
at the front of the brain; important for planning and movement. 
27
Prefrontal Cortex
 
Important for attention, working memory, decision making, social behaviour and personality. 


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