EVOLVED MECHANISM
A subsystem of the brain that results from natural selection and solves a problem relating to survival or reproduction of…
EXACT REPLICATION
Repeating an experiment where the goal is to have the conditions as close to the original conditions as possible.
EXAGGERATION
Embellishing or over stating a quality or feature of a person, situation or object.
EXAMINATION
A test or observation caried out on a patient to evaluate physical and mental health to detect any disorders or…
EXAPTATION
An evolved trait for one function is later used for another function. Also called spandrel.
EXCEPTIONAL CHILD
A child who is significantly above or below the average in some respect. See giftedness- slow learner.
EXCEPTIONAL CREATIVITY
The capability of people to make unique contributions to society through work and products of their work. Also called creative…
EXCITABILITY
1. The way some people are aroused to emotional responses. 2. property of a neuron reacting to stimulation. See action…
EXCITATION GRADIENT
Principle of stimuli that a similar stimuli will elicit a similar response.
EXCITATION-TRANSFER THEORY
Aggressive rsponses are intensified by arousal from other stimuli not directly related to the original stimulus that started the aggression.
EXCITATORY CONDITIONING
Pavlovian conditioning. Conditioning where a conditioned stimulus acts as a signal that an unconditioned stimulus will follow.
EXCITATORY FIELD
The area of the brain around and sharing the response of an excited sensory area.
EXCITATORY POSTSYNAPTIC POTENTIAL (EPSP)
A depolarising potential in a post synaptic neuron caused by exciatory presynaptic impulses. Compare inhibitory post synaptic potential.
EXCITATORY SYNAPSE
A synapse where the firing of a fibre causes an excitatory post synaptic potential in the post synaptic neuron. Compare…