chemistry & psychology

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  • Created by: Farhin
  • Created on: 15-03-14 18:00
Heat
Total kinetic energy of all particles present in a given substance
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Temperature
Average kinetic energy of particles in a system
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Factors Affecting The Rate Of Chemical Reactions
Temperature, concentration, pressure, surface area of solids, catalyst
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Collision Theory
States: for a chemical reaction to occur, the reactant particles must collide
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Equilibria
When the forward and reverse reactions occur at equal rates in closed container
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Dynamic Equilibria
A state of balance between continuing processes
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Le Chatelier's Principle
If a system at equilibrium is disturbed, it will move in the direction that tends to oppose the change
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OIL RIG
Oxidation Is Loss Reduction Is Gain
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Halogen
Any of the elements fluorine, chlorine, bromine, iodine or astatine
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Steps In A Chain Reaction
Initiation, Propogation & Termination
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Causes Of MPD
Trauma in one’s past
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Improvements (T & C)
Observe Eve within her home environment, Observe lots of people with MPD to see if they switch, Use impartial observers as well as T & C, Conduct same tests on normal people at different times
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Ethics (T & C)
Treated more of a subject than a patient, also recognised the dilemma of deciding what their involvement should be in helping their patient, moral problems with ‘killing’ one or more of the personalities
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Improvements (G)
Increase number of observers used, Sample include more females & recruited from other areas, Gamblers use their own money
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Aim Of Sperry
To investigate the effects of hemisphere deconnection & to show that each hemisphere has different functions
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Method Used By Sperry
Natural/quasi experiment
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Sample Used By Sperry
11 'split-brain' patients (they were patients who had undergone disconnection of the cerebral hemispheres)
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IV & DV (S)
IV was whether a person had hemisphere deconnection or not & the DV was the participants performance on the tasks
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Corpus Callosum
A broad band of nerve fibres joining the two hemispheres of the brain
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Epilepsy
A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions
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Lateralisation Of Function
The distribution of functions across the two hemispheres of the brain
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EEG
The recording of electrical activity along the scalp
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NREM Sleep
Non-REM Sleep
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REM Sleep
Rapid eye movement sleep
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1 & 2 Stages Of Sleep
1. beginning of, & is a relatively light stage of sleep, 2. lasts for approx. 20 minutes & brain produces bursts of rapid, rhythmic brain wave activity (sleep spindles)
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3 & 4 Stages Of Sleep
3. people become less responsive, also a transitional period between light sleep, 4. REM period most dreaming occurs, REM sleep is characterized by eye movement, increased respiration rate &increased brain activity
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Aim Of D & K
To investigate the relationship between eye movements & dreaming
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Method Used By D & K
Lab Experiment
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Sample Used By D & K
9, 7 adult males & 2 adult females. 5 were studied intensively
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Improvements (D & K)
Observe participants in their own home, Also just use observers rather than look at REM, Increase controls over what they can eat & drink & also things like activity levels, Use natural light to wake rather than bell
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Hippocampus
A small, curved formation in the brain that plays an important role in the limbic system
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VBM
A neuroimaging analysis technique that allows investigation of focal differences in brain anatomy
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Pixel-Counting
Number of pixels in each image
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Limbic System
A complex system of nerves & networks in the brain, involving areas concerned with instinct & mood, controls the basic emotions & drives
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Spatial Navigation
The ability to navigate between focusable elements
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Aim Of MEA
To investigate whether changes could be detected in the brains of London taxi drivers & to further investigate the functions of the hippocampus in spatial memory
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Method Used By MEA
Quasi / Lab experiment
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Sample Used By MEA
16 adult male, right-handed black cab taxi drivers
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Improvements (MEA)
Conduct longitudinal study on drivers by testing them as soon as they apply for their licence & then again every year, including females in sample, Could conduct a brain scan whilst participants were conducting some sort of spatial memory task to see
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Other cards in this set

Card 2

Front

Average kinetic energy of particles in a system

Back

Temperature

Card 3

Front

Temperature, concentration, pressure, surface area of solids, catalyst

Back

Preview of the back of card 3

Card 4

Front

States: for a chemical reaction to occur, the reactant particles must collide

Back

Preview of the back of card 4

Card 5

Front

When the forward and reverse reactions occur at equal rates in closed container

Back

Preview of the back of card 5
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