Lab Practical Flashcards by Rayn Chanthaphone

Abducens Nerve (VI) function

Eye movement; muscles attached to eye

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Trigeminal Nerve (V) function

Biting and chewing

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Trochlear Nerve (IV) function

Eye movement

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Oculomotor Nerve (III) function

Eye movement; pupil constriction; bend lens to focus on retina

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Optic Tract (II) function

Info from one eye but both visual fields

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Olfactory Bulb (I) function

Info related to smell

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Sagittal (longitudinal) fissure

Separates hemispheres

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Central Sulcus function

Motor and sensory function

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Dura Mater function

Hard mother; circulates CSF and blood

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Arachnoid mater function

Middle, thin layer; contains CSF, arteries lay underneath layer

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Pia Mater function

Pious mother; contains CSF and blood vessels; spinal cord stiffness

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Sulcus definition

Grooves; increase surface area

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Gyrus definition

Ridges; increase surface area

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Frontal Lobe function

Motor planning and execution

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Parietal Lobe function

Spatial sensory info

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Occipital Lobe function

Visual info (ventral = what, dorsal = where)

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Temporal Lobe function

Auditory info, object recognition, language, memory formation

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Cerebellum function

Motor control/balance

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Medulla Oblongata function

Respiration, heart rate, blood pressure

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Corpus Callosum function

Connects hemispheres

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Superior Colliculi function

Visual info, eye and head movements; blindsight

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Inferior Colliculi function

Auditory; sound localization

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Pineal Gland function

Produces melatonin

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Ventral Median Fissure function

Separates spinal cord

Trapezoids function

Axon bundles from motor neurons to spinal cord

Pons function

Sleep, respiration, swallowing

Cerebral peduncles function

Fiber tracts, sensory & motor signal between cerebellum & pons

Cerebellar peduncles function

Little feet; relay center between cerebellum & body

Hypothalamus function

Autonomic NS and hormones

Infundibulum function

Transports hormones between hypothalamus and pituitary gland

Insula function

Island of Riel; gustation, cravings

Rhinal Fissure function

Separates frontal and temporal lobes from limbic lobe

Tuber Cinereum function

Releases histamine for circadian rhythm

Mammillary bodies function

Memory processing

Pituitary Gland function

Master gland hormone connection between brain and body; ACTH & ACH

Brainstem function

Respiration, digestion, sleep; alertness (RAS reticular activating system)

Thalamus function

Receives all sensory info except smell

Caudate function

Input from prefrontal cortex that promote action selection

Striatum function

Receives input from all regions of cortex

Basal Ganglia function

Motor control

Hippocampus function

New (spatial and declarative) memories; seahorse

Periaqueductal gray function

Pain and female reproductive behavior

Piriform Cortex function

Olfaction

Cingulate Gyrus function

Part of limbic system

Superior Sagittal Sinus function

Primary drainage route in dura mater

Central (Ansate) Sulcus function

Separates frontal and parietal lobe

Trapezoid body function

Auditory; sound localization

Olive function

Motor control; movement and balance

Entorhinal Cortex function

Memory, navigation, time perception

3rd ventricle function

Transport CSF

4th ventricle function

Drains CSF into spinal cord

Habenula function

Behavior; reward pathway

Putamen function

Part of basal ganglia; motor skills; learning and memory

Globus Pallidus function

Part of basal ganglia; voluntary movement and proprioception

Anterior Commissure function

Nerve fibers that connect hemispheres, sensory integration

Posterior Commissure function

Language, connects hemispheres

Massa Intermedia function

Connects the two thalami

Fornix function

Limbic system; memory consolidation

Uncus function

Olfaction, emotions, and memory