HUMAN BRAIN BY BINCY CHERIAN ASST PROF COLLEGE
![HUMAN BRAIN BY, BINCY CHERIAN ASST. PROF COLLEGE OF NURSING KISHTWAR HUMAN BRAIN BY, BINCY CHERIAN ASST. PROF COLLEGE OF NURSING KISHTWAR](https://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-1.jpg)
HUMAN BRAIN BY, BINCY CHERIAN ASST. PROF COLLEGE OF NURSING KISHTWAR
![Regions of the Brain · Cerebral hemispheres · Diencephalon · Brain stem · Cerebellum Regions of the Brain · Cerebral hemispheres · Diencephalon · Brain stem · Cerebellum](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-2.jpg)
Regions of the Brain · Cerebral hemispheres · Diencephalon · Brain stem · Cerebellum Figure 7. 12
![Cerebral Hemispheres (Cerebrum) · Paired (left and right) superior parts of the brain · Cerebral Hemispheres (Cerebrum) · Paired (left and right) superior parts of the brain ·](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-3.jpg)
Cerebral Hemispheres (Cerebrum) · Paired (left and right) superior parts of the brain · Include more than half of the brain mass
![Cerebral Hemispheres (Cerebrum) · The surface is made of ridges (gyri) and grooves (sulci) Cerebral Hemispheres (Cerebrum) · The surface is made of ridges (gyri) and grooves (sulci)](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-4.jpg)
Cerebral Hemispheres (Cerebrum) · The surface is made of ridges (gyri) and grooves (sulci)
![Lobes of the Cerebrum · Fissures (deep grooves) divide the cerebrum into lobes · Lobes of the Cerebrum · Fissures (deep grooves) divide the cerebrum into lobes ·](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-5.jpg)
Lobes of the Cerebrum · Fissures (deep grooves) divide the cerebrum into lobes · Surface lobes of the cerebrum · Frontal lobe · Parietal lobe · Occipital lobe · Temporal lobe
![Lobes of the Cerebrum Lobes of the Cerebrum](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-6.jpg)
Lobes of the Cerebrum
![Specialized Areas of the Cerebrum · Somatic sensory area – receives impulses from the Specialized Areas of the Cerebrum · Somatic sensory area – receives impulses from the](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-7.jpg)
Specialized Areas of the Cerebrum · Somatic sensory area – receives impulses from the body’s sensory receptors · Primary motor area – sends impulses to skeletal muscles · Broca’s area – involved in our ability to speak
![](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-8.jpg)
![Sensory and Motor Areas of the Cerebral Cortex Sensory and Motor Areas of the Cerebral Cortex](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-9.jpg)
Sensory and Motor Areas of the Cerebral Cortex
![Specialized Area of the Cerebrum · Cerebral areas involved in special senses · Gustatory Specialized Area of the Cerebrum · Cerebral areas involved in special senses · Gustatory](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-10.jpg)
Specialized Area of the Cerebrum · Cerebral areas involved in special senses · Gustatory area (taste) · Visual area · Auditory area · Olfactory area
![Specialized Area of the Cerebrum · Interpretation areas of the cerebrum · Speech/language region Specialized Area of the Cerebrum · Interpretation areas of the cerebrum · Speech/language region](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-11.jpg)
Specialized Area of the Cerebrum · Interpretation areas of the cerebrum · Speech/language region · Language comprehension region · General interpretation area
![Specialized Area of the Cerebrum Specialized Area of the Cerebrum](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-12.jpg)
Specialized Area of the Cerebrum
![Layers of the Cerebrum · Gray matter · Outer layer · Composed mostly of Layers of the Cerebrum · Gray matter · Outer layer · Composed mostly of](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-13.jpg)
Layers of the Cerebrum · Gray matter · Outer layer · Composed mostly of neuron cell bodies Figure 7. 13 a 7. 33 a
![Layers of the Cerebrum · White matter · Fiber tracts inside the gray matter Layers of the Cerebrum · White matter · Fiber tracts inside the gray matter](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-14.jpg)
Layers of the Cerebrum · White matter · Fiber tracts inside the gray matter · Example: corpus callosum connects hemispheres Figure 7. 13 a 7. 33 b
![Layers of the Cerebrum · Basal nuclei – internal islands of gray matter · Layers of the Cerebrum · Basal nuclei – internal islands of gray matter ·](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-15.jpg)
Layers of the Cerebrum · Basal nuclei – internal islands of gray matter · Regulates voluntary motor activities by modifying info sent to the motor cortex · Problems = ie unable to control muscles, spastic, jerky · Involved in Huntington’s and Parkinson’s Disease Figure 7. 13 a 7. 33 c
![Diencephalon · Sits on top of the brain stem · Enclosed by the cerebral Diencephalon · Sits on top of the brain stem · Enclosed by the cerebral](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-16.jpg)
Diencephalon · Sits on top of the brain stem · Enclosed by the cerebral heispheres · Made of three parts · Thalamus · Hypothalamus · Epithalamus 7. 34 a
![Diencephalon Figure 7. 15 7. 34 b Diencephalon Figure 7. 15 7. 34 b](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-17.jpg)
Diencephalon Figure 7. 15 7. 34 b
![Thalamus · Surrounds the third ventricle · The relay station for sensory impulses · Thalamus · Surrounds the third ventricle · The relay station for sensory impulses ·](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-18.jpg)
Thalamus · Surrounds the third ventricle · The relay station for sensory impulses · Transfers impulses to the correct part of the cortex for localization and interpretation 7. 35
![Hypothalamus · Under the thalamus · Important autonomic nervous system center · Helps regulate Hypothalamus · Under the thalamus · Important autonomic nervous system center · Helps regulate](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-19.jpg)
Hypothalamus · Under the thalamus · Important autonomic nervous system center · Helps regulate body temperature · Controls water balance · Regulates metabolism 7. 36 a
![Hypothalamus · An important part of the limbic system (emotions) · The pituitary gland Hypothalamus · An important part of the limbic system (emotions) · The pituitary gland](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-20.jpg)
Hypothalamus · An important part of the limbic system (emotions) · The pituitary gland is attached to the hypothalamus 7. 36 b
![Epithalamus · Forms the roof of the third ventricle · Houses the pineal body Epithalamus · Forms the roof of the third ventricle · Houses the pineal body](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-21.jpg)
Epithalamus · Forms the roof of the third ventricle · Houses the pineal body (an endocrine gland) · Includes the choroid plexus – forms cerebrospinal fluid 7. 37
![Brain Stem · Attaches to the spinal cord · Parts of the brain stem Brain Stem · Attaches to the spinal cord · Parts of the brain stem](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-22.jpg)
Brain Stem · Attaches to the spinal cord · Parts of the brain stem · Midbrain · Pons · Medulla oblongata 7. 38 a
![Brain Stem Figure 7. 15 a 7. 38 b Brain Stem Figure 7. 15 a 7. 38 b](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-23.jpg)
Brain Stem Figure 7. 15 a 7. 38 b
![Midbrain · Mostly composed of tracts of nerve fibers · Reflex centers for vision Midbrain · Mostly composed of tracts of nerve fibers · Reflex centers for vision](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-24.jpg)
Midbrain · Mostly composed of tracts of nerve fibers · Reflex centers for vision and hearing · Cerebral aquaduct – 3 rd-4 th ventricles 7. 39
![Pons · The bulging center part of the brain stem · Mostly composed of Pons · The bulging center part of the brain stem · Mostly composed of](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-25.jpg)
Pons · The bulging center part of the brain stem · Mostly composed of fiber tracts · Includes nuclei involved in the control of breathing 7. 40
![Medulla Oblongata · · The lowest part of the brain stem Merges into the Medulla Oblongata · · The lowest part of the brain stem Merges into the](http://slidetodoc.com/presentation_image/4eadba7cb03e79a25cfbed08882c92fc/image-26.jpg)
Medulla Oblongata · · The lowest part of the brain stem Merges into the spinal cord Includes important fiber tracts Contains important control centers · Heart rate control · Blood pressure regulation · Breathing · Swallowing · Vomiting 7. 41
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