Asked by: Yaroslav Dalmau
medical health brain and nervous system disorders

Why is trauma to the brain stem more dangerous than trauma to the frontal lobes?

Last Updated: 31st January, 2020

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THE BASE OF THE BRAIN IS MOREDANGEROUSTHEN TRAUMA TO FRONTAL LOBES BECAUSE ITCONTAINS THECENTERS MORE VITAL TO LIFE SUCH AS, RESPIRATORY,CARDIAC,AND VASOMOTOR CENTERS.

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Similarly, it is asked, what is the most important autonomic center of brain?

The medulla oblongata (myelencephalon) is the lowerhalfof the brainstem continuous with the spinal cord. Its upperpart iscontinuous with the pons. The medulla contains thecardiac,respiratory, vomiting, and vasomotor centersregulatingheart rate, breathing, and blood pressure.

what is the significance of the fact that the olfactory bulbs are much larger in the sheep brain than in the human brain? The olfactory bulb is larger in asheepbrain than in the human brain. This largerolfactorybulb allows the sheep to have a stronger senseof smellwhich is vital to its survival.

Similarly, it is asked, what are the cerebral lobes?

The cerebral cortex is divided lengthways intotwocerebral hemispheres connected by the corpuscallosum.Traditionally, each of the hemispheres has been dividedinto fourlobes: frontal, parietal, temporalandoccipital.

What coordinates are complex muscle movements?

The cerebellum receives information from thesensorysystems, the spinal cord, and other parts of the brain andthenregulates motor movements. The cerebellumcoordinatesvoluntary movements such as posture,balance, coordination,and speech, resulting in smooth and balancedmuscularactivity.

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Is the midbrain part of the brainstem?

The brainstem (or brain stem) istheposterior part of the brain, continuous with thespinalcord. In the human brain the brainstem includesthemidbrain, the pons and medulla oblongata of thehindbrain.Sometimes the diencephalon, the caudal part oftheforebrain, is included.

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What is the function of the corpora Quadrigemina?

It basically connects the forebrain and the hindbrain.It has four corpora quadrigemina which are thereflexcentres of eye movement and auditory responses. The superiorpartof corpora quadrigemina are called superior colliculi,andinferior part as inferior colliculi.

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What is the site of regulation of body temperature and water balance?

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Question Answer
Site of regualtion of water balance and body temperature Hypothalamus
Contains reflex centers involved in regulationrespiratoryrhythm in conjunction with lower brain stem centers Pons
Important relay station for afferent fibers traveling tothesensory cortex for interpretation Thalamus

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What do the convolutions seen in the cerebrum increase?

A(n) gyrus is an elevated ridge ofcerebraltissue. The convolutions seen in the cerebrumare importantbecause they increase the surface area.Gray matter iscomposed of neuron cell bodies.

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Where are cerebral Peduncles located?

The cerebral peduncles are locatedoneither side of the midbrain and are the frontmost part ofthemidbrain, and act as the connectors between the rest ofthemidbrain and the thalamic nuclei and thusthecerebrum.

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Which of the following areas form the central core of the brain?

The thalamus is the central region ofthediencephalon and forms the central core of the brain.Thethalamus is enclosed by the cerebrum. Correct. The white matterinthe cerebellum has a branching arrangement that resemblesatree.

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Which of the following structures provides for communication between the two hemispheres of the brain?

The two hemispheres communicate with oneanotherthrough the corpus callosum. The corpus callosum is a wide,flatbundle of neural fibers beneath the cortex that connects theleftand right cerebral hemispheres andfacilitatesinterhemispheric communication.

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Which lobe of the brain controls language?

Regions in your frontal, temporal andparietallobes formulate what you want to say and the motorcortex,in your frontal lobe, enables you to speak the words.Mostof this language-related brain activity islikelyoccurring in the left side of your brain.

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What are the 5 lobes of the cerebrum?

The cerebrum is divided by a longitudinal fissure into2hemispheres, each containing 6 discrete lobes:
  • Frontal.
  • Parietal.
  • Temporal.
  • Occipital.
  • Insula.
  • Limbic.

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Which lobe is responsible for speech?

Broca's area: lies in the left frontal lobe(Fig3). If this area is damaged, one may have difficulty movingthetongue or facial muscles to produce the soundsofspeech.

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What part of the brain controls personality?

Frontal lobe.
The largest section of the brain located inthefront of the head, the frontal lobe is involvedinpersonality characteristicsandmovement.

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What lobe is the cerebellum in?

The cerebellum (“little brain”) isastructure that is located at the back of the brain, underlyingtheoccipital and temporal lobes of the cerebral cortex(Figure5.1). Although the cerebellum accounts forapproximately 10%of the brain's volume, it contains over 50% of thetotal number ofneurons in the brain.

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What is the frontal lobe responsible for?

The frontal lobe is the part of the brainthatcontrols important cognitive skills in humans, such asemotionalexpression, problem solving, memory, language, judgment,and sexualbehaviors. It is, in essence, the “controlpanel” ofour personality and our ability tocommunicate.

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What does the temporal lobe control?

The temporal lobe is involved in primaryauditoryperception, such as hearing, and holds the primary auditorycortex.The primary auditory cortex receives sensory informationfrom theears and secondary areas process the information intomeaningfulunits such as speech and words.

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What does the back lobe of the brain control?

At the back of the frontal lobe, nearthecentral sulcus, lies the motor cortex. Damage to thetemporallobe can lead to problems with memory, speechperception,and language skills. The occipital lobe islocated at theback portion of the brain and isassociated withinterpreting visual stimuli andinformation.

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How is the brain divided?

The human brain is divided intotwohemispheres, the left and right, connected by a bundle ofnervefibers called the corpus callosum. The hemispheres arestrongly,though not entirely, symmetrical.

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What two lobes does the central sulcus separate?

It is sometimes confused with the mediallongitudinalfissure. The central sulcus is a prominentlandmark of thebrain, separating the parietal lobefrom the frontallobe and the primary motor cortex from theprimarysomatosensory cortex.

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How are sheep brains and human brains different?

Sheep brains do not have as many ridgesandcontours (convolutions) when compared to human brains,thathave a considerable number of ridges and contours to give themanapparently much larger area than the sheep's brain.Asheep's brain is elongated in shape, whereas ahumanbrain is rounded.