Chapter 18
Functions of the Central and Peripheral Nervous System
Modalidades Sensoriais
Sensation is the awareness of changes within or outside the body, either consciously or subconsciously.
The conscious interpretation of a sensation is ...
Introdução aos Receptores Sensoriais
Sensory receptors are dendrites of sensory neurons or specialized receptor cells that detect external and internal stimuli.
Sensory receptors are grouped ...
Percepção sensorial: organização do sistema somatossensorial
The somatosensory system is the components of the central and peripheral nervous system that sense and process touch, pressure, pain, temperature, and ...
Visão geral das vias sensoriais somáticas
The somatic sensory pathways transmit impulses from sensory receptors to the cerebral cortex or the cerebellum.
These pathways are composed of bundles of ...
Principais vias sensoriais somáticas
The major somatic sensory pathways include the posterior column-medial lemniscus, the spinothalamic, and the spinocerebellar pathways.
The posterior ...
Hierarquia de Controle Motor
The hierarchy of motor control is a way to categorize motor control circuits in order to understand how the human body can perform complex motor ...
Vias Motoras Diretas
The direct or pyramidal motor pathways regulate conscious and voluntary movements through the skeletal muscles.
The tracts of motor pathways comprise ...
Vias Motoras Indiretas
The indirect motor pathways control balance, posture, limb movements, and movements in response to visual and auditory stimuli.
The indirect motor ...
Atividade reflexa
A reflex is a quick and automatic response to a stimulus, like pulling your hand away from heat or lifting your foot off a sharp object.
A ...
Reflexos Somáticos da Coluna Vertebral
Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
One of the ...
Ondas cerebrais
Brain waves are the patterns of electrical activity resulting from the action of millions of neurons.
An electroencephalogram, or EEG, is a visual ...
Ciclos de sono-vigília
Sleep is a physiological state of partial consciousness with reduced sensory and motor activity that can be disrupted by external stimuli.
The sleep cycle ...
Funções mentais superiores do cérebro: aprendizado e memória
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information ...
Funções mentais superiores do cérebro: linguagem
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
...
Copyright © 2025 MyJoVE Corporation. Todos os direitos reservados