The Nervous System
... AFFERENT FIBERS- nerve fibers that conduct impulses toward the CNS. EFFERENT FIBERS- nerve fibers that conduct impulses away from the CNS. SOMATIC - on or relating to the wall of the body or the framework of the body and not to the viscera; i.e., relating to the skin and the skeletal muscles. VISCER ...
... AFFERENT FIBERS- nerve fibers that conduct impulses toward the CNS. EFFERENT FIBERS- nerve fibers that conduct impulses away from the CNS. SOMATIC - on or relating to the wall of the body or the framework of the body and not to the viscera; i.e., relating to the skin and the skeletal muscles. VISCER ...
Chapter 2: The Brain and Behavior
... FIGURE 2.4 The interior of an axon. The right end of the top axon is at rest. Thus, it has a negative charge inside. An action potential begins when ion channels open and sodium ions (Na+) rush into the axon. In this drawing, the action potential would travel from left to right along the axon. In th ...
... FIGURE 2.4 The interior of an axon. The right end of the top axon is at rest. Thus, it has a negative charge inside. An action potential begins when ion channels open and sodium ions (Na+) rush into the axon. In this drawing, the action potential would travel from left to right along the axon. In th ...
Special Senses
... The neural retina receives its blood supply from two sources The outer third receives its blood from the choroid The inner two-thirds is served by the central artery and vein ...
... The neural retina receives its blood supply from two sources The outer third receives its blood from the choroid The inner two-thirds is served by the central artery and vein ...
Physiological Psychology
... are sensory organs that give one a visual image of the surrounding area. The ears also are sensory organs. The central nervous system is composed of the brain and spinal cord. The brain can store information, generate thoughts, create ambition, and determine reactions that the body performs in respo ...
... are sensory organs that give one a visual image of the surrounding area. The ears also are sensory organs. The central nervous system is composed of the brain and spinal cord. The brain can store information, generate thoughts, create ambition, and determine reactions that the body performs in respo ...
Study Guide
... • In previous assignments, you have been exposed to various pieces of primary literature, i.e., original articles in which scientists report (for the first time) the experiments they performed and the results they obtained. This week's discussion covers a somewhat different form of scientific writin ...
... • In previous assignments, you have been exposed to various pieces of primary literature, i.e., original articles in which scientists report (for the first time) the experiments they performed and the results they obtained. This week's discussion covers a somewhat different form of scientific writin ...
Spatially and temporally restricted expression of Pax2 during murine
... cells appears to be in the same relative position as those expressing the transcripts in the alar plate on the previous day. Additionally, Pax2 transcripts are detected in the newly formed cells in the most dorsolat- ...
... cells appears to be in the same relative position as those expressing the transcripts in the alar plate on the previous day. Additionally, Pax2 transcripts are detected in the newly formed cells in the most dorsolat- ...
PAPER Glucosensing neurons do more than just sense glucose
... brain areas such as the hypothalamus, glucosensing neurons also contain receptors for insulin, leptin, monoamines and other transmitters and peptides involved in energy homeostasis.8 – 12 Thus, many or all glucosensing neurons respond to both short- and long-term signals relating to both the physica ...
... brain areas such as the hypothalamus, glucosensing neurons also contain receptors for insulin, leptin, monoamines and other transmitters and peptides involved in energy homeostasis.8 – 12 Thus, many or all glucosensing neurons respond to both short- and long-term signals relating to both the physica ...
Learning: Not Just the Facts, Ma`am, but the
... These studies suggest that specific brain areas represent fictive outcomes, and thus pave the way for asking bigger questions about counterfactual learning. For example, why does the brain monitor counterfactual outcomes? How are these outcomes distinguished from real outcomes? And how are they inte ...
... These studies suggest that specific brain areas represent fictive outcomes, and thus pave the way for asking bigger questions about counterfactual learning. For example, why does the brain monitor counterfactual outcomes? How are these outcomes distinguished from real outcomes? And how are they inte ...
HA5_MM_ch3_1 - Fullfrontalanatomy.com
... Neurulation – ectoderm starts forming brain and spinal cord ...
... Neurulation – ectoderm starts forming brain and spinal cord ...
Full Text
... From empirical point of view, it is obvious today that our knowledge about visual areas of the brain can enhance our ability to predict illusory experiences (40). However, two arguments will be presented in the following sections that support the role of a top-down strategy in identifying the common ...
... From empirical point of view, it is obvious today that our knowledge about visual areas of the brain can enhance our ability to predict illusory experiences (40). However, two arguments will be presented in the following sections that support the role of a top-down strategy in identifying the common ...
The use of avian double monsters in studies on
... separated the tissues during primary induction, due to growth of embryonic organs and interstices. In group III the notochords were always so close as to obliterate totally or inhibit the action of the prechordal plate mesoderm on overlying ectoderm, and therefore no forebrain developed. Prechordal ...
... separated the tissues during primary induction, due to growth of embryonic organs and interstices. In group III the notochords were always so close as to obliterate totally or inhibit the action of the prechordal plate mesoderm on overlying ectoderm, and therefore no forebrain developed. Prechordal ...
Lewy body pathology is associated with mitochondrial DNA damage
... and NFT pathology with mtDNA damage at the single-neuron level. In neurons, heteroplasmy levels >60% are believed to cause RC dysfunction, determined by COX deficiency (Bender et al., 2006). If protein aggregation was caused by this mechanism, LB- and NFTpositive neurons would be expected to be predo ...
... and NFT pathology with mtDNA damage at the single-neuron level. In neurons, heteroplasmy levels >60% are believed to cause RC dysfunction, determined by COX deficiency (Bender et al., 2006). If protein aggregation was caused by this mechanism, LB- and NFTpositive neurons would be expected to be predo ...
Axon - Cloudfront.net
... An AP is a brief reversal of membrane potential. In neurons, an AP is called a NERVE IMPULSE and only axons can generate one. ...
... An AP is a brief reversal of membrane potential. In neurons, an AP is called a NERVE IMPULSE and only axons can generate one. ...
Somatosensory Systems: Pain and Temperature - Dr
... of the lateral spinothalamic tract. These are axonal branches that come from the main axonal branch that is ascending towards thalamus. These axonal branches are given off throuhout the brainstem and midbrain and synapse in the reticular formation in these structures, as well as in the superior coll ...
... of the lateral spinothalamic tract. These are axonal branches that come from the main axonal branch that is ascending towards thalamus. These axonal branches are given off throuhout the brainstem and midbrain and synapse in the reticular formation in these structures, as well as in the superior coll ...
RESEARCH LETTERS 3 Marwood RP. Disappearance of
... putaminal or caudate nucleus DAT* neurons and either LDOPA dose or duration of L-DOPA treatment. If these neurons do have an important role in the synthesis of dopamine from L-DOPA, maintenance of this abnormal source of striatal dopamine in the face of declining production by the nigrostriatal path ...
... putaminal or caudate nucleus DAT* neurons and either LDOPA dose or duration of L-DOPA treatment. If these neurons do have an important role in the synthesis of dopamine from L-DOPA, maintenance of this abnormal source of striatal dopamine in the face of declining production by the nigrostriatal path ...
Development of Endodermal Organs Endodermal Organs
... direction. It starts later and is smaller than the foregut. The edge where the closed hindgut leads into the open portion of the gut is the posterior intestinal portal. The midgut is the portion of the gut which opens into the yolk sac cavity. It becomes smaller as the two intestinal portals advance ...
... direction. It starts later and is smaller than the foregut. The edge where the closed hindgut leads into the open portion of the gut is the posterior intestinal portal. The midgut is the portion of the gut which opens into the yolk sac cavity. It becomes smaller as the two intestinal portals advance ...
Spinal Cord, Spinal Nerves, and the Autonomic Nervous System
... ighapmLre21pg211_216 5/12/04 2:24 PM Page 212 impos03 302:bjighapmL:ighapmLrevshts:layouts: ...
... ighapmLre21pg211_216 5/12/04 2:24 PM Page 212 impos03 302:bjighapmL:ighapmLrevshts:layouts: ...
Reconstruction of Natural Scenes from Ensemble Responses in the
... lation. This is crucial for understanding how sensory information is coded, in a distributed manner, in the activity of large neuronal circuits. As a step toward understanding visual coding in the natural environment, we used natural scenes as visual stimuli in the current study. Although simple art ...
... lation. This is crucial for understanding how sensory information is coded, in a distributed manner, in the activity of large neuronal circuits. As a step toward understanding visual coding in the natural environment, we used natural scenes as visual stimuli in the current study. Although simple art ...
Fine tuning of vestibular apparatus in terrestrial snail at Earth and
... phase of long-term potentiation (LTP) of synaptic effectivity is critical for the storage of long-term memory. Although the expression of the early induction phase of LTP has been studied extensively (Bliss and Collingridge, 1993), the mechanism for synaptic enhancement and a possibility of its modi ...
... phase of long-term potentiation (LTP) of synaptic effectivity is critical for the storage of long-term memory. Although the expression of the early induction phase of LTP has been studied extensively (Bliss and Collingridge, 1993), the mechanism for synaptic enhancement and a possibility of its modi ...
This module is based on the following books:
... The onset of the final extension is characterized by yet another ingression of cells, the secondary mesenchyme cells (SMC). This ingression occurs at the top of the archenteron. The SMC remain on top of the archenteron. They form long filopodia with which they 'probe' the ECM. The filopodia stick to ...
... The onset of the final extension is characterized by yet another ingression of cells, the secondary mesenchyme cells (SMC). This ingression occurs at the top of the archenteron. The SMC remain on top of the archenteron. They form long filopodia with which they 'probe' the ECM. The filopodia stick to ...