COGNITIVE NEUROSCIENCE QUIZ Flashcards
Early studies of brain tissue that used staining techniques and microscopes from the 19th century described the “nerve net.” These early understandings were in error in the sense that the nerve net was believed to be
A. continuous.
B. composed of discrete individual units.
C. composed of cell bodies, axons, and dendrites.
D. composed of neurotransmitters rather than neurons.
A. continuous.
The neuron doctrine is
A. in agreement with nerve net theory.
B. unrelated to nerve net theory.
C. synonymous with nerve net theory.
D. in disagreement with nerve net theory.
D. in disagreement with nerve net theory.
Action potentials occur in the
A. cell body.
B. synapse.
C. neurotransmitters.
D. axon.
D. axon.
Neural circuits are groups of interconnected neurons that
A. have only excitatory synapses.
B. have only inhibitory synapses.
C. can result in a neuron that responds best to a specific stimulus.
D. are primarily responsible for automatic behaviors, like reflexes.
C. can result in a neuron that responds best to a specific stimulus.
Recordings from single neurons are conducted using which of these pieces of equipment?
A. Positron emission tomography scanner
B. Functional magnetic resonance imaging scanner
C. Microelectrode
D. Neurotransmitter
C. Microelectrode
An oscilloscope can display “spikes” that correspond to nerve impulses in response to a certain stimulus intensity. If the stimulus intensity is decreased, you are likely to observe spikes that are
A. less frequent and smaller in size.
B. less frequent and of the same size.
C. as frequent and smaller in size.
D. the same signal as with the higher stimulus intensity.
B. less frequent and of the same size.
If the intensity of a stimulus that is presented to a touch receptor is increased, this tends to increase the _____ in the receptor’s axon.
A. rate of nerve firing
B. size of the nerve impulses
C. speed of nerve conduction
D. all of these
A. rate of nerve firing
When recording from a single neuron, stimulus intensity is represented in a single neuron by the
A. size of the action potentials.
B. size of the synapse.
C. firing rate of the neurotransmitters.
D. firing rate of the action potentials.
D. firing rate of the action potentials.
Which of the following statements best describes how neurons communicate with one another?
A. The end of one neuron makes direct contact with the receiving end of another neuron.
B. A chemical process takes place at the synapse.
C. An electrical process takes place in the receptors.
D. Action potentials travel across the synapse.
B. A chemical process takes place at the synapse.
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
D. All of these
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.
C. localization of function.
The temporal lobe is
A. the first place in the cerebral cortex where visual information is received.
B. important for language, memory, hearing, and vision.
C. important for higher functions such as language, thought, and memory, as well as motor functioning.
D. where signals are received from the auditory system.
D. where signals are received from the auditory system.
The occipital lobe is
A. the first place in the cerebral cortex where visual information is received.
B. important for language, memory, hearing, and vision.
C. important for higher functions such as language, thought, and memory, as well as motor functioning.
D. where signals are received from the sensory system for touch.
A. the first place in the cerebral cortex where visual information is received.
The _____ lobe of the cortex serves higher functions such as language, thought, and memory.
A. subcortical
B. frontal
C. occipital
D. parietal
B. frontal
Which part of the brain is important for touch?
A. Occipital lobe
B. Hippocampus
C. Temporal lobe
D. Parietal lobe
D. Parietal lobe
A 10-month-old baby is interested in discovering different textures, comparing the touch sensations between a soft blanket and a hard wooden block. Tactile signals such as these are received by the _____ lobe.
A. parietal
B. occipital
C. frontal
D. temporal
A. parietal
Positron emission tomography (PET) utilizes which of the following tools?
A. Disc electrode
B. Microelectrode
C. Radioactive tracer
D. Hemoglobin
C. Radioactive tracer
There are many methods for studying the physiology of the brain. ________ is the technique involving subtraction whereby brain activity is compared between baseline and stimulation measurements.
A. Convergence
B. Single unit recording
C. Positron emission tomography
D. Mental chronometry
C. Positron emission tomography