2.1 Biological level of analysis Bidirectional – cognition can affect biology and biology can affect cognition Nature versus nurture debate – debate whether human behaviour is the result of biological or environmental factors Interactionist approach – both nature and enlivenment Principles of biological level of analysis: 1. Behaviour can be innate because it is genetically based. 2. Animal research can provide insight into human result. 3. There are biological correlates of behaviour. Reductionist
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Question 5 0.5 out of 0.5 points Correct Success at object search tasks coincides with Answer Selected Answer: rapid development of the frontal lobes of the cerebral cortex. Correct Answer: rapid development of the frontal lobes of the cerebral cortex. Question 6 0.5 out of 0.5 points Correct Research on child care in the United States shows that Answer Selected Answer: only 20 to 25 percent
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PS101 Take home exam Secret life of the brain 7 November 2013 The Baby’s Brain: Wider Than The Sky Explain migrations-how millions of neurons travel in waves and follow cues along the way telling them exactly where to go? Neurons travel everyday in millions to carry out different task. It’s fascinating how they travel as if they are traveling across the country. They’re following cues along the way that are telling them exactly where to go. Evidence shows that young neurons have an idea
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Essay cover sheet Essay Title: What does the study of brain injury and disease tell us about normal brain functioning? Word count (Excluding title and references section): 829 What does the study of brain injury and disease tell us about normal brain functioning? To understand atypical brain function‚ it is important to distinguish the expectations for a typical brain function. It is true that many diseases or injuries result in impairments in cognition;
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become known as Broca’s area‚ and the deficit in language production as Broca’s aphasia. Another prominent name in this field was Roger W. Sperry who won a Nobel prize in 1981 for his discoveries concerning the functional specialization of the cerebral hemispheres. The brain is divided into two hemispheres‚ the left and right‚ connected in the middle by a bridge known as the corpus callosum. People who suffered from epilepsy would sometimes have their corpus collosum severed
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occipital lobe is in the rear of the brain and helps us to interpret seeing and receiving the information that we see. “Most of our higher functions‚ those human abilities that differentiate us from the other animals‚ are coordinated within the cerebral cortex. This is the outermost layer of the cerebrum‚ wholly composed of gray matter and subdivided into six sub-layers‚ from the hippocampus to the neocortex” (Human Motor/Sensory Brain Cortices – Nervous System‚ n.d.‚ p.xx-xx). The motor cortex
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200. Reticular formation -Mass of neurons and nerve fibers extending from the caudal medulla to the rostral midbrain -comprises a neural system with multiple inputs and multisynaptic system of impulse conduction -one of the oldest parts of the rbain Functions : -regulating the sleep-wake cycle ‚states of consciousness -filtering incoming stimuli to discriminate irrelevant background stimuli (habitation) -Somatic motor control ( 1. ) reticulospinal tracts maintain balance
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with frontocortical circuits has a fundamental importance in the pathophysiology of TS. BASAL GANGLIA CIRCUITRY The striatum and the subthalamic nucleus are the primary input structures of the basal ganglia‚ receiving excitatory input from the cerebral cortex. The globus pallidus and the substantia nigra are the primary output structures‚ sending inhibitory output signals to the thalamus and brainstem. Therefore increased Basal Ganglia output results in an increase inhibition of thalamocortcical
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Opening Notes: * Interest and research in the brain is at an all-time pace The cure for some common diseases such as Alzheimer’s‚ Parkinson’s and Multiple Sclerosis has accelerated the efforts of many scientists * Many of the names for the parts of the brain have come from Latin and Greek words * The easiest way to learn about the brain is to look at it as three divisions; the hindbrain‚ the midbrain and the forebrain * Modern imaging has allowed us to study the brain and locate
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hypothalamus can cause rapid weight gain. A person with a dysfunctional hypothalamus can have an appetite that is never satisfied‚ leading to over eating. The damaged hypothalamus can interfere with losing weight. Cerebellum which looks like a miniature cerebral cortex‚ lies at the base of the brain. Cerebellum primarily regulates posture‚ muscle tone‚ and muscular coordination. The cerebellum also stores memories related to skill and habits. Without the cerebellum‚ tasks like walking‚ running‚ or playing
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