the central nervous system Fiber tracts or pathways Axons in the central nervous system that travel toghether in bundles Spinal cord Recieves signals from the senses Including pain and touch from the fingertips Reflexes Involutary, unlearned reaction in Direct simple behaviors without the form or swift, automatic, and instruction from the brain finely coordinated movements in respose to external stimuli Feedback system A series of processes in which information abut the consequences of an action goes back to the source of the action so that adjsutmensts can be made Afferent Sensory neurons Coming toward Efferent neurons Motor neurons Going away Electroencephalograph (EEG) Measures generl electrical activity Electrodes are pasted o the scalp of the brain to detect the electrical fields resulting from the activity of billions of neurons PET scan Can locate cell activity by recording here radioacive substances beome concentradted when injected into the bloodstream PET positron emission Records images from the brain Have revelaed that specific brain tomography that indicate the location of the regions are activated when we radioactivity as the brain look at fearful facial expressions performs various tasks or engage in certain kinds of thoughts MRI magnetic resonance imaging Exposes the brain to a magnetic field and measures the resulting radio frequency waves to get amazingly clear pictures of the brains anatomical details Functional MRI or fMRI Is capable of detecting changes in Providing a sort of “moving blood flow tht refect ongoing picture” of the brain changes in the activity of neurons DTI diffusion tensor imaing Traces activity of axon pathways TMS transcranial magnetic Temporarily disrupts the function This technique may also have stimulation of a particular part of the brain potential in the treatment of certain psychological disorders Hindbrain A continuation of the spinal cord Lies just inside the skull/ blood pressure, heart rate, breathing, and many other vital autonmic functions are controlled by nuclei in the hindbrain
the central nervous system Fiber tracts or pathways Axons in the central nervous system that travel toghether in bundles Spinal cord Recieves signals from the senses Including pain and touch from the fingertips Reflexes Involutary, unlearned reaction in the form or swift, automatic, and finely coordinated movements in respose to external stimuli Direct simple behaviors without instruction from the brain Feedback system A series of processes in which information abut the consequences of an action goes back to the source of the action so that adjsutmensts can be made Afferent Sensory neurons Coming toward Efferent neurons Motor neurons Going away Electroencephalograph (EEG) Measures generl electrical activity of the brain Electrodes are pasted o the scalp to detect the electrical fields resulting from the activity of billions of neurons PET scan Can locate cell activity by recording here radioacive substances beome concentradted when injected into the bloodstream PET positron emission tomography Records images from the brain that indicate the location of the radioactivity as the brain performs various tasks Have revelaed that specific brain regions are activated when we look at fearful facial expressions or engage in certain kinds of thoughts MRI magnetic resonance imaging Exposes the brain to a magnetic field and measures the resulting radio frequency waves to get amazingly clear pictures of the brains anatomical details Functional MRI or fMRI Is capable of detecting changes in blood flow tht refect ongoing changes in the activity of neurons Providing a sort of “moving picture” of the brain DTI diffusion tensor imaing Traces activity of axon pathways TMS transcranial magnetic stimulation Temporarily disrupts the function of a particular part of the brain This technique may also have potential in the treatment of certain psychological disorders Hindbrain A continuation of the spinal cord Lies just inside the skull/ blood pressure, heart rate, breathing, and many other vital autonmic functions are controlled by nuclei in the hindbrain
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