Virtually since the dawn of television, parents, teachers, legislators and mental health professionals have wanted to understand the impact of television programs, particularly on children.Of special concern has been the portrayal of violence, particularly given psychologist Albert Bandura's work in the 1970s on social learning and the tendency of children to imitate what they see.

neuron A nerve cell; the basic building block of the nervous system. … An action potential is a brief (only a few milliseconds) reversal of the membrane potential (V m).

In simple terms, this means that an incoming signal from another neuron is either sufficient or insufficient to reach the threshold of excitation. At rest, the V m of a neuron is around −70 mV (closer to the equilibrium potential for potassium, V K ), but during an action potential, V m transiently approaches +50 mV (closer to the equilibrium potential …

An action potential (AP) is the mode through which a neuron transports electrical signals. Action Potential.

Mediating and Moderating Variables Explained. Once the cell reaches a certain threshold, an action potential will fire, sending the electrical signal down the axon. Today, Hank explains. Sensation vs. The next action of ‘thinking of the picture’s resemblance’ points towards the concept of perception.

During the Action Potential . Psychology Definition of ACTION POTENTIAL (AP): the update in electric probability that circulates ahead in a cell during the course of the transmission of a … It is the processing of the information, comprehending and responding to the information before us.

Many people often think that the neural impulse (the firing of a neuron) is actually the action potential. Take a quick interactive quiz on the concepts in Action Potential: Definition & Steps or print the worksheet to practice offline.

A mediator can be a potential mechanism by which an independent variable can produce changes on a dependent variable. At rest, the V m of a neuron is around −70 mV (closer to the equilibrium potential for potassium, V K), but during an action potential, V m transiently approaches +50 mV (closer to … EPSPs. Psychology Definition of THRESHOLD: noun. An action potential is a chain reaction down the length of an axon, which causes the neurotransmitter to fire at the neighboring neuron.

by jakethegoldfish Plays Quiz Updated Apr 9, 2017 . When an impulse is sent out from a cell body, the sodium channels open and the positive sodium cells surge into the cell. Neurotransmitters have been studied quite a bit in relation to psychology and human behavior. Start studying AP Psychology: Action potential. 2. the minimum severity In this MCAT Question of the Day, we will be taking a look at the key difference between an action potential and a graded potential.

neurotransmitters Chemical messengers that cross the synaptic gaps between neurons occipital lobes The cortical regions at the back of the brain, housing the visual cortex. Science Quiz / Psychology Multiple Choice Random Science or Biology Quiz Can you choose the correct answer to each question related to the field of psychology?