The limbic system utilizes specific pathways in the brain to prevent sensory overload and help with alertness. O False, the limbic system is involved in emotions and maps to one location in the diencephalon O False, the limbic system is involved in human emotion and is comprised of pathways primarily located in the reticular activating system (RAS).

The limbic system utilizes specific pathways in the brain to prevent sensory overload and help with alertness. O False, the limbic system is involved in emotions and maps to one location in the diencephalon O False, the limbic system is involved in human emotion and is comprised of pathways primarily located in the reticular activating system (RAS).

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter13: Anatomy Of The Nervous System

Section: Chapter Questions

Problem 2ILQ: Watch this video (http://openstaxcollege.org/l/whitematter) to learn about the white matter in the...

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Watch this video (http://openstaxcollege.org/l/3Dmovies) to learn about the side effects of 3-D movies. As discussed in this video, movies that are shot in 3-D can cause motion sickness, which elicits the autonomic symptoms of nausea and sweating. The disconnection between the perceived motion on the screen and the lack of any change in equilibrium stimulates these symptoms. Why do you think sitting close to the screen or right in the middle of the theater makes motion sickness during a 3-D movie worse?
Contrast the somatic nervous system with the ANS foreach of the following:a. number of neurons between the CNS and the effectororganb. location of neuron cell bodiesc. structures each innervatesd. inhibitory or excitatory effectse. conscious or unconscious controlf. neurotransmitter(s) used
After hitting your thumb accidentally with a hammer, you quickly withdraw your hand. You donot feel pain for a short period of time. This sequence of events may be explained by the fact that theA. threshold of the receptor has been so greatly exceeded that the neuron does not pass themessage to the brainB. neural impulse is so large that the brain is unable to interpret the signal because it is beyond therange of toleranceC. neural processing occurred in the spinal cord first, which caused you to quickly remove yourthumb from further damageD. sensory receptors in the thumb were damaged by the blow and are unable to initiate a stimulusto the sensory nerve
Which component of the brain could be defined as the autonomic nervous system (ANS) control center? O hypothalamus O thalamus O pons O medulla oblongata O cerebellum Next « Previous
Some survivors of disastrous events have post-traumaticstress disorder (PTSD). Symptoms include nightmaresabout the experience and suddenly feeling as if the eventis recurring. Brain-imaging studies of people with PTSDshowed that their hippocampus was shrunken and theiramygdala unusually active. Given these changes, whatother brain functions might be disrupted in PTSD?
Is the hippocampus necessary for all types of memory? (Hint: At first, it migl V[Choose ] Single-Cell Neurophysiology Magnetic Resonance Imaging (MRI) Diffusion Tensor Imaging (DTI) Transcranial Magnetic Stimulation (TMS) Lesion Studies appear that there are 2 methods that could be used to address this question. The important distinction is that the hippocampus is a deep structure, and one of the two methods will not be abl Electroencephalography (EEG) Magnetoencephalography (MEG) Positron Emission Tomography (PET) functional Magnetic Resonance Imaging (FMRI) Electrocorticography (ECOG) to reach this deep structure.) How does the firing rate of neurons in the hippocampus change, depending ol whether the animal is placed in a familiar or a new environment? Which part(s) of the brain show [ Choose ] decreased gray matter volume in patients with Alzheimer's disease compared to healthy, age-matched controls? Is activity in the right Superior Parietal Cortex necessary to tap to a musical…
Which of the following could be used to describe the parasympathetic nervous system? Select all that apply. Short preganglionic, long postganglionic fibers. O long preganglionic, short postganglionic fibers. Known to be active during "rest and digest" responses. Stimulates ciliary muscles of the eye, which makes the lens bulge for close vision. O Active during "fight or flight" responses. increases heart rate « Previous Next
Most of the neurons from the fasciculus gracilis synapse in the inferior thoraxand enter the spinocerebellar system, whereas most of the neurons fromthe fasciculus cuneatus synapse in the nucleus cuneatus and then continueto the thalamus and cerebrum. Therefore, it can be deduced that most ofthe proprioception from the lower limbs is unconscious and most of theproprioception from the upper limbs is conscious. Explain why this differencein the two sets of limbs is of value.
The serves several functions in decision making but also in planning and initiating motor movement. O ventromedial prefrontal cortex dorsolateral prefrontal cortex preoptic area of the frontal cortex O ventral parietal lobe
A drug is known to decrease heart rate. After cutting the white ramiof T1–T4, the drug still causes the heart rate to decline. After cuttingthe vagus nerves, the drug no longer affects heart rate. Which divisionof the ANS does the drug affect? Does the drug affect the synapsebetween preganglionic and postganglionic neurons, the synapse betweenpostganglionic neurons and effectors, or the CNS? Is the drug’s effectexcitatory or inhibitory?
The corpus callosum is a broad band of axons which carry impulses between O gyri of the same hemisphere. O the cerebrum to the brainstem. O the brains stem and the spinal cord. O the gyri in opposite hemispheres.
Which of the following responses are regulated by the parasympathetic nervous system? (Select all that apply). Reducing heart rate Dilation of the bronchioles O Increasing digestive enzyme release O Pupil constriction Penile erection O Dilation of coronary blood vessels