a second practice later in the day. As a swimmer‚ there are several thoughts which swirl around in my head during practices; however‚ intriguing are those that occur during running. The majority of the thoughts arise in the amygdala and the reticular formation and are stimulated through internal fears‚ physical suffering‚ and
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also responsible for reticular formation‚ which is comprised of tiny nuclei in the central core of the brain stem. Reticular formation plays a role in somatic motor control‚ cardiovascular control‚ pain modulation‚ sleep‚ consciousness‚ and habituation. Due to the complexity of the myelencephalon an injury to this part of the brain would be life threatening or devastating. The metencephalon is also located in the hindbrain. This plays a role in reticular formation. The metencephalon is
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components of the reticular formation inside the brainstem; the reticular formation is a core of nerve cells forming a network in the midbrain‚ pons‚ and medulla oblongata There are three sections in the main component of the reticular formation inside the brainstem the parvocellular‚ the magnocellular and the raphe nuclei parts (Ashwell‚ 48). The semiautomatic motor function is breathing‚ and the motor routines running‚ walking‚ and swimming are controlled by the reticular formation.
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control the optic nerves. The Mesencephalon had two divisions the tectum and tegmentum. The tectum has two pairs of bumps‚ the colliculi. The inferior colliculi have auditory function and the superior colliculi have visual function. The tegmentum is reticular formed with tracts of passages and contains three colorful structures that biopsychologists use; grey‚ black‚ and red. These colorful sections contribute too many functions: sleep‚ attention‚ and movement‚ maintenance of muscle tone‚ cardiac‚ circulatory
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functions • Common (mesenchyme) origin • Degrees of vascularity Functions • Binding • Suport • Protection • Insulation • Transport Structural Elements • Fibers ⁃ Collagen (white) fibres ⁃ Elastin (yellow) fibers ⁃ Reticular fibers • Ground substance ⁃ Amorphous material fills space between cells and contains fibers ⁃ Holds fluids ⁃ Acts as molecular sieve ⁃ Consists of interstitial fluid‚ cell adhesion proteins "glue"‚ proteoglycans • Cells ⁃ Each class
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take place in the human body from the major structures in the brain. The myelencephalon is made up of tracts that carry signals from the rest of the brain throughout the entire part of the body. The myelencephalon has a unique shape. It has a reticular shape meaning it looks like a little net. It is made up of about 100 tiny nuclei that occupies the central core of the brainstem. Parts of the myelencephalon play a part in arousal. The functions of the myelencephalon include sleep‚ attention
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than usual‚ or cause trouble breathing. If the pons were not functioning properly‚ sleep disruption would occur‚ perhaps causing insomnia‚ and since it also affects arousal‚ no doubt excess lethargy would occur throughout the day. Since the reticular formation also has ties to alertness‚ no doubt damage to it would also cause tiredness throughout the day. They would no doubt have difficulty regulating their sleep schedule‚ causing them to be extremely tired during the day‚ yet unable to sleep at night
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Myers Psychology 6/e Test Bank I CHAPTER 2 Neuroscience and Behavior Learning Objectives 1. Explain why psychologists are concerned with human biology. Neural Communication (pp. 48-54) 2. Describe the structure of a neuron‚ and explain how neural impulses are generated. 3. Describe how nerve cells communicate‚ and discuss the impact of neurotransmitters and drugs on human behavior. The Nervous System (pp. 54-57) 4. Identify the major divisions of the nervous
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road. Doing these things will use many different parts of his brain. Driving the car will use parts of his brain like; the cerebellum‚ observational learning‚ human factors‚ and the cognitive map‚ whereas the written test will use things like; reticular formation‚ predictive validity and semantic memory. On the road‚ James will be using many important parts of his brain. The cognitive map is a mental representation of one’s environment. This will be used in
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heart rate and blood pressure. It controls our muscle that we used in dynamic activities of the body such as biting‚ ingesting‚ sneezing‚ coughing and salivation. Within the medulla is reticular formation that plays a critical role in alertness‚ arousal and allowing a person to focus his attention. If reticular formation is damage it can result in coma. Cerebellum or little brain‚ is two hemisphere at the topmost part of
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