NM Brain Anatomy Flashcards
What are the 6 lobes of the hemispheres?
Frontal, parietal, occipital, temporal, limbic, insular
In the frontal lobe, the pre-central gyrus is the _____ area for _____ muscle activation
Motor
Voluntary
The prefrontal cortex controls what two things?
Emotions and judgement
Where is Broca’s area located, and what does it control?
Frontal lobe
Motor aspects of speech
The parietal lobe contains the post central gyrus which is….?
Primary sensory cortex for integration of sensation
The post central gyrus receives fibers conveying what 4 sensations from the opposite side of the body?
Touch, proprioception, pain, temperature
The temporal lobe is the primary _____ cortex
Auditory
Wernicke’s area is located where, and what is it responsible for?
Temporal lobe
Language comprehension
The occipital lobe is the primary _____ cortex
Visual
The insula lies deep within the ______ sulcus and is responsible for _______ functions
Lateral
Visceral
The _______ lobe contains the cingulate, parahippocampal, and subcallosal gyri, hippocampal formation, amygdaloid nucleus, hypothalamus, and anterior nuclei of thalamus
Limbic
This lobe is the oldest part of the brain
Limbic lobe
The limbic lobe is responsible for _____ and _____
Instincts and emotions
What lobe is responsible for feeding, aggression, and endocrine aspects of sexual response?
Limbic lobe
The cerebral hemispheres are also known as the _________ and are convolutions of _______ matter
Telencephalon
Gray
What structures are part of the telencephalon?
Gray matter (cerebral hemispheres) White matter (transverse fibers, projection fibers, association fibers) Basal ganglia
Basal ganglia is masses of _____ matter
Gray
Basal ganglia consists of what 4 things?
Striatum (caudate nucleus, nucleus accumbens, putamen)
Globes pallidus
Subthalamic nuclei
Substantia nigra
The lenticular nucleus consists of what two structures?
Putamen and globus pallidus
What are the 3 circuits?
Oculomotor circuit
Motor loop
Limbic circuit
The oculomotor circuit (_______ loop) functions with what?
Caudate loop
Saccadic eye movements
The motor loop (________ loop) functions to….
Putamen loop
Scale amplitude and velocity of movements
Suppresses conflicting patterns
Preparatory for movement
The limbic circuit functions to do what?
Organize behaviors (exec functions, problem solving) and for procedural learning
What does the diencephalon consist of?
Thalamus
Subthalamus
Hypothalamus
Epithalamus