FLASH CARDS. Kalat s Book Chapter 4 Alphabetical
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1 FLASH CARDS Kalat s Book Chapter 4 Alphabetical
2 ablation
3 ablation Directly killing a single or few cells. Originally used to study what different parts of the brain do what (Flourens). Now used to fix heart arrhythmia, tremors or skin imperfections.
4 anterior commissure
5 anterior commissure One of several connections between brain hemispheres. Used for perception of smell and sharp pain. Connects the amygdalas.
6 basal ganglia
7 basal ganglia A series of nuclei that are part of the limbic system. Help control continuous movements by inhibition; use GABA as neurotransmitter.
8 Bell-Magendie law
9 Bell-Magendie law Anterior of spine holds motor neurons; posterior (dorsal) holds sensory neurons.
10 binding problem
11 binding problem How to get consciousness from neurons. Part of the mind-body problem.
12 brainstem
13 brainstem Where brain and spinal cord meet. Includes pons and medulla oblongata.
14 CAT scan
15 CAT scan Computerized axial tomography. Digital X- ray of brain, etc. Often used to find tumors.
16 central canal
17 central canal Fluid filled center of spinal cord.
18 CNS
19 CNS Central nervous system. Brain and spinal cord. Everything else is peripheral.
20 central sulcus
21 central sulcus Fissure that separates frontal lobe from parietal lobe.
22 cerebellum
23 cerebellum Little brain attached under cerebrum and behind the brain stem. Needed for motor skills, balance and coordination. More neurons than rest of brain combined but they are tiny; only 1/10th size of brain.
24 cerebral cortex
25 cerebral cortex Brain; composed of four lobes and two hemispheres. Six layers of neurons, folded and only about 3mm thick.
26 cerebrospinal fluid
27 cerebrospinal fluid Colorless fluid that cushions the brain & spinal cord to protect them from injury.
28 columns
29 columns Hypercolun or cortical module. A column of neurons; usually encode similar characteristics.
30 corpus callosum
31 corpus callosum Largest bungle of fibers connecting brain hemispheres. Looks like a wide, flat bridge.
32 cranial nerves
33 cranial nerves Come from brain, not spinal cord. Control face, tongue, eyes, etc.
34 delayed-response task
35 delayed-response task A delay between stimulus and response is imposed to study attention, memory and spatial reasoning.
36 dorsal
37 dorsal As in dorsal fin. For a human, toward the back.
38 dorsal root ganglia
39 dorsal root ganglia Sensory neurons taking information up the back of the spine to the brain.
40 EEG
41 EEG Electroencephalograph. Recording electrical signals on scalp. Used to measure brain waves, sleep patterns and diagnose epilepsy.
42 evoked potentials
43 evoked potentials Evoked responses. A recorded electrical potential after a stimulus is presented, often with a probe inside the brain. The stimulus evokes a response. Not the same as the spontaneous signals measured in an EEG.
44 fmri
45 fmri Functional magnetic resonance imaging. Measures blood flow in brain. Uses contrast that is dependent on the oxygen level in the blood. Compares oxygen-rich (arteries) and oxygen-poor (veins) regions.
46 forebrain
47 forebrain Develops into cerebrum, thalamus, hypothalamus and limbic system.
48 frontal lobe
49 frontal lobe Largest, most anterior, easiest to hurt lobe of the brain. Contains motor cortex, premotor cortex, orbitofrontal cortex, dorsolateral cortex and prefrontal cortex.
50 gray matter
51 gray matter Non-myelinated brain tissue. Capillaries & neurons look grey-brown.
52 hindbrain
53 hindbrain Includes medulla, cerebellum & pons.
54 hippocampus
55 hippocampus C-shaped, one in each hemisphere, lean toward each other. Pass through portions of temporal and frontal lobes. Needed to convert knowledge to long-term memory. Also involved in spatial reasoning and navigation.
56 hypothalamus
57 hypothalamus About the size of a pearl or almond. Secretes hormones that regulate other hormones. Triggers adrenal glands to release adrenaline and cortisol. Also controls hunger and thirst.
58 inferior colliculus
59 inferior colliculus Two structure but both carry both left and right ear signals. Integrates sound source information.
60 Klüver-Bucy syndrome
61 Klüver-Bucy syndrome Characterized by bilateral lesions of amygdala. Symptoms vary but can include less response to fear, flat affect, overeating, difficulty recognizing faces, hypersexuality and hyper-alertness.
62 laminae
63 laminae A thin plate or layer. Can describe outside surface of cell, bone plates of the spinal, walls of the thyroid gland, flat part of a leaf or part of a horse s hoof.
64 lesion
65 lesion Trauma, damage or tissue abnormality. Includes tumors, ulcers, dental caries and discolored patches of skin.
66 limbic system
67 limbic system Includes thalamus, hypothalamus, hippocampus, amygdala, septum and a complex interactive network of nuclei. Involved in emotional response, emotional memory, encoding patterns & cognitive maps.
68 medulla
69 medulla Medulla oblongata. Bottom part of brainstem, just above spinal cord. Controls automatic nervous system processes such as heart rate, breathing, vomiting and coughing.
70 MEG
71 MEG Magnetoencephalograph. Measures magnetic fields naturally produced by brain. Records changes in ion currents as neurons depolarize. Like fmri, MEG measures activity over time but much more precisely. Used to study multiple sclerosis, Alzheimer s & schizophrenia.
72 meninges
73 meninges Tri-layer protection for brain and spinal cord. Composed of dura mater (tough and thick), anachnoid (thin, transparent web) and pia (thin, waterproof layer that conforms to surface of brain).
74 midbrain
75 midbrain Top of the brain stem, just above pons. Nuclei include the superior colliculi (vision), inferior colliculi (audition), the red nuclei (motor coordination), and substantia nigra (motor planning).
76 MRI
77 MRI Magnetic resonance imaging. Water molecule has 10 protons. MRI uses a electromagnetic field from a radio frequency generator to spin and align these protons. When generator is turned off, protons spin back & machine measures change. Used to study brain, muscle & detect tumors.
78 neuroanatomy
79 neuroanatomy The study of neuron structure, organization and function.
80 nucleus basalis
81 nucleus basalis In contrast to occipital lobe (what you actually see), tells the brain what it should expect to see. Best guess of what s important. Degrades in Parkinson s & Alzheimer s diseases.
82 occipital lobe
83 occipital lobe Located at the back of the head. Primary vision cortex. Processing visual input then sends summaries to the parietal (where) and temporal (what) lobes for further analysis.
84 parietal lobe
85 parietal lobe Named for location under parietal bone at topback of head. Integrates sensory information into 3-D view of perceived world. Help locate where things are (where stream) and how they are spatially related (how stream).
86 PET scan
87 PET scan Positron-emission tomography. After an injected radioactive isotope (usually a version of glucose) spreads thru body, scans for pair of gamma photons that move in opposite directions. Used to create 3-D view of scanned area to detect tumors and track their growth.
88 phrenology
89 phrenology Franz Gall s theory that skull topology reveals underlying mental function, faculties & personality characteristics. Popular in the 1800 s.
90 pituitary gland
91 pituitary gland Small gland on bottom of the hypothalamus. Secretes peptide hormones. Anterior pituitary secretes HGH, TSH, ACTH, beta-endorphin, LH, & prolactin. Posterior pituitary secretes oxytocin & vasopressin.
92 PNS
93 PNS Parasympathetic nervous system. Part of autonomic nervous system. It s the rest-and-digest system.
94 pons
95 pons Just above the medulla on the brain stem. Composed of two stalks or peduncles, it connects brain to cerebellum. Help regulate bladder control, posture, breathing in and out, sleep paralysis and dreams.
96 postcentral gyrus
97 postcentral gyrus Front part of parietal lobe. Contains primary somatosensory cortex for sensing touch.
98 prefrontal cortex
99 prefrontal cortex Part of the frontal lobe of the brain. Composed of three regions: dorsolateral, orbitofrontal & ventral medial.
100 prefrontal lobotomy
101 prefrontal lobotomy Cutting the connections between either the two frontal lobes or between the prefrontal cortex of the frontal lobe and the rest of the brain. Developed in the 1930 s to treat depression, schizophrenia and epilepsy.
102 primates
103 primates Includes humans, apes, chimpanzees, gorillas, monkeys, lemurs, lorises, galagos (bushbabies), etc. Characteristics include domed cranium, forward-facing eyes, binocular vision & complex social relationships.
104 raphe system
105 raphe system Nuclei in brain stem that release serotonin.
106 reticular formation
107 reticular formation Coordinates 100+ neural circuits to regulate wake-sleep cycle.
108 somatic nervous system
109 somatic nervous system Part of peripheral nervous system. Controls voluntary movements and reflex arcs. Carries messages from skin and touch receptors to brain.
110 spinal cord
111 spinal cord A spinal column of 31 bony segments protects a long thin bundle of neurons that runs down the back. Damage can cause loss of sensation, movement or both.
112 stereotaxic instrument
113 stereotaxic instrument Uses 3-D coordinates to perform breast surgery, ablation and implantation.
114 substantia nigra
115 substantia nigra Parkinson s disease shows damage here. Involved in eye movement, learning, motor planning, addiction and rewards.
116 superior colliculus
117 superior colliculus Specialized nuclei for vision. Helps direct eye movements.
118 sympathetic nervous system
119 sympathetic nervous system The flight-flight aspect of the autonomic nervous system. Maintains homeostasis.
120 tectum
121 tectum Includes specialized nuclei, such as superior colliculi (vision) and inferior colliculi (audition).
122 tegmentum
123 tegmentum Floor of midbrain. Includes substania nigra and reticular formation.
124 temporal lobe
125 temporal lobe Lobe on side of brain. Involved in language, memory, vision and emotion. Identifies what we are looking at ( what stream ), supplies names for objectives and stores your dictionary-encyclopedia of knowledge.
126 thalamus
127 thalamus One in each hemisphere. Relays signals to and from cerebrum, including specialized centers for vision (LGN) and audition (MGN). Also important for sleep.
128 tract
129 tract Pathway. Can describe neural circuits or digestive functions.
130 transcranial magnetic stimulation
131 transcranial magnetic stimulation Used to treat depression. Magnetic fields stimulate neurons near scalp in hopes of improving mood.
132 ventral
133 ventral Toward stomach or anterior.
134 ventricle
135 ventricle Can describe heart chambers or regions in the brain that are filled with cerebrospinal fluid.
136 white matter
137 white matter Myelinated brain tissue. Axons are covered with a white fatty substance (myelin) to insulate signals.
138
biological psychology, p. 40 The study of the nervous system, especially the brain. neuroscience, p. 40
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