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Recording from single neurons in the brain has shown that neurons responding to specific types of stimuli are often clustered in specific areas. These results support the idea of


A) cortical association.
B) dissociation.
C) localization of function.
D) the information processing approach.

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You are walking down the street and see a nice car drive by. You notice its color, movement, and shape. All of these features are processed


A) in one localized area of the brain.
B) by a specific object neuron.
C) in different parts of the brain.
D) through fMRI potentials.

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Action potentials occur in the


A) cell body.
B) synapse.
C) neurotransmitters.
D) axon.

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Brain imaging has made it possible to


A) determine which areas of the brain are involved in different cognitive processes.
B) view individual neurons in the brain.
C) show how environmental energy is transformed into neural energy.
D) view propagation of action potentials.

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Paul Broca's and Carl Wernicke's research provided early evidence for


A) distributed processing.
B) localization of function.
C) prosopagnosia.
D) neural net theory.

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Why is it easier to study brain tissue from newborn animals than brain tissue from adults?


A) The density of cells in a newborn brain is small compared with the density in an adult brain.
B) The density of cells in a newborn brain is higher compared with the density in an adult brain.
C) The nerve net system in newborn animals is less developed.
D) The nerve net system in newborn animals is more developed.

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What is a key difference between dendrites and axons?


A) One is internally activated and the other is externally activated.
B) One has physical form and the other lacks physical form.
C) One sends information and the other receives information.
D) One has a positive charge and the other has a negative charge.

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Why are memories represented in the brain differently than sensory stimuli? Give an example comparing how the brain would process a visual stimulus and a memory, and explain your reasoning.

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Memory can be divided into three parts i...

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Barbara has recently been diagnosed with abdominal cancer. Her oncologist wants to determine the best treatment method to eliminate the tumors. Her gastroenterologist is focused on relieving her symptoms and restoring normal digestive functioning. Barbara's psychologist works to help minimize her anxiety and keep her spirits up. The fact that these doctors are considering Barbara's situation with different goals and from different perspectives is similar to the idea of __________ presented in your textbook.


A) the dynamics of cognition
B) idiographic evaluation
C) nomothetic examination
D) levels of analysis

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Which of the following statements best describes how neurons communicate with one another?


A) Dendrites make direct contact with each other.
B) A chemical process takes place in the synapse.
C) An electrical process takes place in the receptors.
D) Action potentials travel across the synapse.

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Josiah is trying to speak to his wife, but his speech is very slow and labored, often with jumbled sentence structure. Josiah may have damage to which area of the brain?


A) Broca's area
B) Parahippocampal place area (PPA)
C) Extrastriate body area (EBA)
D) Wernicke's area

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Which parts of neurons are also known as a "nerve fiber"?


A) Touch receptor
B) Receptor
C) Axons
D) Dendrites

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The value that stays the same as long as there are no signals in the neuron is known as


A) nerve impulse.
B) resting potential.
C) action potential.
D) nerve transmission.

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Taking clay and sand to create bricks, which are then used to build modular wall panels, which are then assembled to construct tall buildings, is similar to which of the following neural concepts?


A) Specificity coding
B) Localization of function
C) Hierarchical processing
D) Distributed representation

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When the axon is at rest, the inside of the neuron has a charge that is 70 millivolts more negative than the outside. This difference will continue as long as


A) the neuron's receptor continues to be stimulated.
B) the impulse is past the recording electrode.
C) signals remain in the neuron.
D) the neuron is at rest.

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Describe how neurons communicate. Mention the key components of the neurons that are involved. Explain the process whereby the electrical signal (the information) is transferred from one neuron to another.

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Answered by ExamLex AI

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Neurons communicate through a process ca...

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Edgar Adrian studied the relationship between nerve firing and sensory experience by measuring how the firing of a neuron from a receptor in the skin changed as he applied more pressure to the skin. He found that


A) the shape and height of the action potential increased as he increased the pressure.
B) the shape and height of the action potential decreased as he increased the pressure.
C) the rate of nerve firing increased as he increased the pressure.
D) the rate of nerve firing decreased as he increased the pressure.

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Which of the following is consistent with the idea of localization of function?


A) Specific areas of the brain serve different functions.
B) Neurons in different areas of the brain respond best to different stimuli.
C) Brain areas are specialized for specific functions.
D) All of these are correct.

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Groups of interconnected neurons are referred to as


A) myelin sheaths.
B) potentiated somas.
C) neural circuits.
D) spreading activations.

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Which of the following statements is the most accurate with regard to specificity coding?


A) It is probably accurate, which explains why the human nervous system contains over one hundred billion neurons.
B) Research has found that specificity encoding does occur for lower animals, such as dogs and cats, but has not found this phenomenon to exist in human beings.
C) It is unlikely to be correct because there are too many stimuli in the world to have a separate neuron for each.
D) Specificity coding is one of the areas that is only theoretical and not applied, and thus there is no way to know if it truly exists in human beings.

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