Brain Biology


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Brain Biology

  1. 1. Structures of The Brain By: Iridian Gutierrez (igutierrez017)
  2. 2. Corpus callosum The Corpus callosum is a thick band of axon fibers that connect the two cerebral hemispheres. It connects both left and right side of the brain together which allows communications between both hemispheres.
  3. 3. Frontal lobe, Parietal lobe, Temporal lobe, & Occipital lobe fd Frontal Lobe: The largest lobe out of all the lobe, it’s primarily responsible for the movement, planning and judgement. Parietal Lobe: a part of the brain positioned above the occipital lobe and behind the frontal lobe.integrates sensory information from different modalities, particularly determining spatial sense and navigation. Temporal Lobe: are involved in the retention of visual memories, processing sensory input, comprehending language, storing new memories, emotion, and deriving meaning. Occipital Lobe:the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex.
  4. 4. Motor strip & Sensory Strip : Motor Strip: A brain region that in humans is located in the posterior portion of the frontal lobe. It works in association with other motor areas including premotor cortex, the supplementary motor area, posterior parietal cortex, and several subcortical brain regions, to plan and execute movements. Sensory Strip: is apart of the brain located in the parietal lobe, near the border of the frontal lobe. The sensory strip is involved in registering sensation that are connected specific body parts or body functions.
  5. 5. Cerebellum Cerebellum: a region of the brain that plays an important role in motor control. It may also be involved in some cognitive functions such as attention and language, and in regulating fear and pleasure responses.
  6. 6. Thalamus, Hypothalamus & Pituitary Gland Thalamus: a midline symmetrical structure of two halves, within the brains of vertebrates, situated between the cortex and the midbrain. Hypothalamus: a portion of the brain that contains a number of small nuclei with a variety of functions. Pituitary Gland: small endocrine organ that controls a multitude of important functions in the body. It is divided into an anterior lobe, intermediate lobe and posterior lobe, all of which are involved in hormone production.
  7. 7. Reticular activating system & Medulla Reticular Activating System (RAS): or extrathalamic control modulatory system, is a set of connected nuclei in the brains of vertebrates that is responsible for regulating arousal and sleep-wake transitions. Medulla: Part of the brainstem contains the cardiac, respiratory, vomiting and vasomotor centers and deals with autonomic, functions, such as breathing, heart rate and blood pressure.
  8. 8. Broca’s Area & Wernicke’s Area Broca's area: A region in the frontal lobe of the left hemisphere of the hominid brain with functions linked to speech production. Wernicke’s Area : one of the two parts of the cerebral cortex linked to speech. It is involved in the understanding of written and spoken language.
  9. 9. Cerebral cortex, Amygdala & Hippocampus cerebral cortex: is the outermost sheet of neural tissue of the cerebrum of the brain in humans and some other vertebrates. It covers the cerebrum and cerebellum, and is divided into left and right hemispheres Amygdala: an almond shaped mass of nuclei located deep within the temporal lobe of the brain. Hippocampus: the part of the brain that is involved in memory forming, organizing, and storing. It is a limbic system structure that is important in forming new memories and connecting emotions and senses, such as smell and sound, to memories.