jueves, 2 de septiembre de 2010
Childhood
::::::::::::::::Childhood:::::::::
********The period between infancy (about 1-2 years) and pubescence. Most of the physical and mental development of a person takes place in childhood. It is the critical period for establishing good habits of both exercise and nutrition which can last a lifetime. By the age of seven, nearly all of the motor control mechanisms in the brain are present and the child is rapidly developing motor skills. During the major growth spurts (usually experienced by girls between the ages of 9 and 12 years, and by boys between 11 and 14 years) reasonable exercise encourages growth of muscles, tendons, and bones, but excessive exercise can permanently damage bones and joints. Most experts agree that, although exercise during childhood is important, the emphasis should be on fun. There are both physical and mental dangers if children are forced into activities for which they are not ready. Parents should work with expert coaches and the child, to ensure that exercises are appropriate and carry little risk of permanent injury.********************
the human brain
:::::::Thalamus:::::::::
The thalamus behinds the process of interpreting sesory information. It determines fundamental properties, such as whether something is good or bad, and the forwards the information to the appropriate area of the cerebral cortex, where information, processing continues.
:::::Pons::::
The pons triggers dreaming and waking froom sleep.
:::::::Cerebellum:::
The cerebellum coordinates body movements, control posture, and maintains equilibrium.
:::::::Reticular formation::::::::
The reticular formation signals the cerebral cortex to attend to new stimulation and to remain alert even during sleep.
::::::Medulla::::
The Medulla is the center for breathing, waking, sleeping and beating of the heart.
:::::Hypocampus::::
The hypocampus plays and important, role in emotion learning, and memory.
::::Amygdala::::
The amygdala plays a role in aggression, eating, drinking, and sexual behaviors.
:::::Hypothalamus:::
The hypotalamus monitors blood levels of glucose, salt, blood, pressure and hormones. It also helps to regulate processes in the bdy throught is connection to central and autonomic nervous system and endocrine system.
::::Frotal lobe::::::
The frontal lobe assists in control motor and cognitive activities, such, as planning, making decisions, settinsg goals and relating the present to the future throught purposeful behavior.
miércoles, 1 de septiembre de 2010
brain
Introduction
your brain can be considered the most complex organ in your body and the centerpiece of your nervous system.
Althought your brain work as a unified whole neuroscientist can identify areas within it than perform functions. Your brain is organized into three interconnected layers: the central core, limbic system, and cerebral cortex, all of which contain structures that regulate everyday life. Explore the human brain and its role in regulating your life.
Central core
The central core is found in all vertebrates. Its five main regions help regulate basic life processes, including breathing, pulse, arousal, movement, balance, sleep, and the early stage of processing sensory information.
:::::::::::::::::::central core::::::::::::::
*Thalamus
*pons
*cerebellum
*reticular formation
*medulla
Limbic system
The limbic system exists only in mammals. Its regions mediate motivated behaviors, emotional states, and memory processes. The limbic system also regulates body temperature, blood pressure, blood sugar level, and other housekeeping activities.
::::::::::::::::::::::::::Limbic system:::::::::::::::::::::::
*Hippocampus
*Amygdala
*hypothalamus
Cerebral cortex
The cerebral cortex directs the brain's higher cognitive and emotional functions. It is divided into two almost symmetrical halves called the cerebral hemispheres. Each hemisphere contains four lober. Areas witing these lobes oversee all forms of conscious experience, including perception, emotion, thougth, and planning, as well as many unconcious cognitive and emotional processes.
::::::::::::::::::::Cerebral cortex::::::::::::::::::::::
*Frontal lobe
*occipital lobe
*parietal lobe
*temporal lobe
domingo, 29 de agosto de 2010
psychology
Psychology is the study of human mental functions an behaviors in this fiel, a professional practitioner or researcher is a psychologist. Psychologist are classified as social or behavioral scientists.
Psychological research can be considered either basic or applied. Psychologists attempt to understand the cole of mental funtions in individual and social behavior while also exploring underlying psysiological and neurological process.
Basic research in psychology includes perception,cognition,attention,emotion, motivation, brain, functioning, personality,behavior and interpersonal relationships.Some especially depth psychologist, also consider the unconscious mind. Psychologist employ empirical methods to determine causal and correlational relationship between psychosocial variables. In addition, or in opposition, to employing empirical and deductive methods, clinical psychologists sometimes reky upon symbolic interpretation and other inductive techniques.
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