The Human Brain. The Central Core  Cerebellum: Motor Control  Brain Stem:  Pons: Sleep, arousal  Reticular Formation: Sleep, arousal, attention 

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Presentation transcript:

The Human Brain

The Central Core  Cerebellum: Motor Control  Brain Stem:  Pons: Sleep, arousal  Reticular Formation: Sleep, arousal, attention  Medulla: unconscious functions (i.e. breathing)  Which part of the nervous system?  Thalamus: Relay station for the senses  Hypothalamus: Homeostasis  What other important function does this organ perform?

Limbic System  Controls eating, aggression, and reproduction  Consists of:  Amygdala  Hippocampus  Fornix

The Cerebral Cortex Memor  4 Major Lobes  Frontal  Parietal  Temporal  Occipital

Frontal Lobe Frontal lobes: Emotions Thinking Memory Personality Motor Area Voluntary movement Broca’s Area (Speech production)

Parietal Lobe  Memory of objects, uses, and directions  Somatosensory Area

Temporal Lobe  Hearing, Speech, and Memory  Wernicke’s area (Speech Comprehension)  Auditory Area

Occipital Lobe  Visual area  Visual association area

Hemispheres  Symmetrical halves of the brain  Lateralization: the dominance of one hemisphere of the brain in specific functions  Example: Language  Left Hemisphere: Verbal Functions  i.e. speaking, reading, thinking, reasoning  Right Hemisphere: Nonverbal Functions  i.e. spatial relationships, recognition of patterns, music and emotional expression dex.html

Studying the Brain  EEG: Electroencephalogram  PET: Positron Emission Tomography  fMRI: Functional Magnetic Resonance Imaging  TMS: Transcranial Magnetic Stimulation Imaging