Psychology and Sociology Flashcards
(487 cards)
Who developed the study of phrenology?
Franz Gall
What did Pierre Flourens do to brains?
He studied brain function by cutting out portions of the brain (ablation/ extirpation).
Where would efferent neurons send signals to?
From the brain and spinal cord to muscle and gland tissues
Where would afferent neurons send signals to?
From receptors to the brain and spinal cord
What neurons are responsible for reflexive behavior?
Interneurons- found predominantly in the CNS and allow for reflex arcs to occur
What part of the autonomic nervous system would constrict the pupils and slow heartbeat?
Parasympathetic
What part of the autonomic nervous system would relax bronchi and accelerate heartbeat?
Sympathetic
What layers of the skull help reabsorb cerebrospinal fluid and protect the brain?
The 3 meninges (dura mater, arachnoid mater, pia mater)
What division of the brain is the Cerebral cortex in and what are its functions?
Forebrain; complex perceptual, cognitive, and behavioral processes.
What division of the brain is the Basal Ganglia in and what are its functions?
Forebrain; controls smooth movement
What division of the brain is the Limbic System in and what are its functions?
Forebrain; responsible for emotion and memory
What division of the brain is the Thalamus in and what are its functions?
Forebrain; serves as a relay center for sensory information (except for smell)
What division of the brain is the Hypothalamus in and what are its functions?
Forebrain; autonomic responses to hunger, thirst, temperature
What division of the brain is the Inferior/Superior Colliculi in and what are its functions?
Midbrain; involuntary responses to visual or auditory stimuli
What division of the brain is the Cerebellum in and what are its functions?
Hindbrain; maintains refined body movements (impaired by alcohol)
What division of the brain is the Medulla Oblongata in and what are its functions?
Hindbrain; vital reflexes (breathing, heartbeat)
What division of the brain is the Reticular Formation in and what are its functions?
Hindbrain; plays a role in arousal and alertness
What division of the brain is the Pons in and what are its functions?
Hindbrain; serves as a pathway between the cerebral cortex and the medulla oblongata, important for breathing
Which part of the hypothalamus, if injured, would cause someone to lose the desire to eat?
Lateral Hypothalamus injury causes someone to Lack Hunger
Which part of the hypothalamus, if injured, would cause someone to never get satisfied from eating?
Ventromedial Hypothalamus injury causes someone to be Very Hungry
Which part of the hypothalamus, if injured, would cause someone to hump everything?
Anterior Hypothalamus injury causes someone to Ass Hunt
The jerky movement of Parkinson’s disease show that there is injury to what part of the brain?
Basal Ganglia
Stimulation of this part of the brain is extremally pleasurable?
The Septal Nuclei
When exhibiting defensive/ aggressive behaviors you are using what part of the Limbic System?
Amygdala